Home / 1,150,056.30-1,725,084.45-520,200.30

Finding the Fourth Proportional to 1,150,056.30, 1,725,084.45 and 520,200.30

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Solution

The fourth proportional to 1,150,056.30, 1,725,084.45 and 520,200.30 is: 780,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,056.30 : 1,725,084.45 = 520,200.30 : x
  2. Step 2: Convert to fraction form
    1,150,056.30/1,725,084.45 = 520,200.30/x
  3. Step 3: Cross multiply
    1,150,056.30x = 1,725,084.45 × 520,200.30
  4. Step 4: Simplify right side
    1,150,056.30x = 897,389,448,415.34
  5. Step 5: Solve for x
    x = 897,389,448,415.34/1,150,056.30
  6. Step 6: Final answer
    x = 780,300.45

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Half scale
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Double scale
Find fourth proportional to 1,150,057.30, 1,725,085.95 and 520,201.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.