Home / 712,914.84-1,069,372.26-239,600.20

Finding the Fourth Proportional to 712,914.84, 1,069,372.26 and 239,600.20

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Solution

The fourth proportional to 712,914.84, 1,069,372.26 and 239,600.20 is: 359,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,914.84 : 1,069,372.26 = 239,600.20 : x
  2. Step 2: Convert to fraction form
    712,914.84/1,069,372.26 = 239,600.20/x
  3. Step 3: Cross multiply
    712,914.84x = 1,069,372.26 × 239,600.20
  4. Step 4: Simplify right side
    712,914.84x = 256,221,807,370.45
  5. Step 5: Solve for x
    x = 256,221,807,370.45/712,914.84
  6. Step 6: Final answer
    x = 359,400.30

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Half scale
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Double scale
Find fourth proportional to 712,915.84, 1,069,373.76 and 239,601.20
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.