Home / 770,362.10-1,153,121.25-529,063.10

Finding the Fourth Proportional to 770,362.10, 1,153,121.25 and 529,063.10

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Solution

The fourth proportional to 770,362.10, 1,153,121.25 and 529,063.10 is: 791,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,362.10 : 1,153,121.25 = 529,063.10 : x
  2. Step 2: Convert to fraction form
    770,362.10/1,153,121.25 = 529,063.10/x
  3. Step 3: Cross multiply
    770,362.10x = 1,153,121.25 × 529,063.10
  4. Step 4: Simplify right side
    770,362.10x = 610,073,903,200.88
  5. Step 5: Solve for x
    x = 610,073,903,200.88/770,362.10
  6. Step 6: Final answer
    x = 791,931.36

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Double scale
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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.