Home / 938,298.31-1,294,820.17-556,098.19

Finding the Fourth Proportional to 938,298.31, 1,294,820.17 and 556,098.19

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Solution

The fourth proportional to 938,298.31, 1,294,820.17 and 556,098.19 is: 767,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,298.31 : 1,294,820.17 = 556,098.19 : x
  2. Step 2: Convert to fraction form
    938,298.31/1,294,820.17 = 556,098.19/x
  3. Step 3: Cross multiply
    938,298.31x = 1,294,820.17 × 556,098.19
  4. Step 4: Simplify right side
    938,298.31x = 720,047,152,912.49
  5. Step 5: Solve for x
    x = 720,047,152,912.49/938,298.31
  6. Step 6: Final answer
    x = 767,396.83

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Double scale
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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.