Home / 742,228.56-1,023,599.13-627,747.24

Finding the Fourth Proportional to 742,228.56, 1,023,599.13 and 627,747.24

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Solution

The fourth proportional to 742,228.56, 1,023,599.13 and 627,747.24 is: 865,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,228.56 : 1,023,599.13 = 627,747.24 : x
  2. Step 2: Convert to fraction form
    742,228.56/1,023,599.13 = 627,747.24/x
  3. Step 3: Cross multiply
    742,228.56x = 1,023,599.13 × 627,747.24
  4. Step 4: Simplify right side
    742,228.56x = 642,561,528,723.90
  5. Step 5: Solve for x
    x = 642,561,528,723.90/742,228.56
  6. Step 6: Final answer
    x = 865,719.22

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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.