Home / 938,056.38-1,294,522.47-530,231.10

Finding the Fourth Proportional to 938,056.38, 1,294,522.47 and 530,231.10

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Solution

The fourth proportional to 938,056.38, 1,294,522.47 and 530,231.10 is: 731,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,056.38 : 1,294,522.47 = 530,231.10 : x
  2. Step 2: Convert to fraction form
    938,056.38/1,294,522.47 = 530,231.10/x
  3. Step 3: Cross multiply
    938,056.38x = 1,294,522.47 × 530,231.10
  4. Step 4: Simplify right side
    938,056.38x = 686,396,073,242.82
  5. Step 5: Solve for x
    x = 686,396,073,242.82/938,056.38
  6. Step 6: Final answer
    x = 731,721.56

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Double scale
Find fourth proportional to 938,057.38, 1,294,523.85 and 530,232.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.