Home / 742,231.56-1,023,603.27-627,750.24

Finding the Fourth Proportional to 742,231.56, 1,023,603.27 and 627,750.24

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Solution

The fourth proportional to 742,231.56, 1,023,603.27 and 627,750.24 is: 865,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,231.56 : 1,023,603.27 = 627,750.24 : x
  2. Step 2: Convert to fraction form
    742,231.56/1,023,603.27 = 627,750.24/x
  3. Step 3: Cross multiply
    742,231.56x = 1,023,603.27 × 627,750.24
  4. Step 4: Simplify right side
    742,231.56x = 642,567,198,407.29
  5. Step 5: Solve for x
    x = 642,567,198,407.29/742,231.56
  6. Step 6: Final answer
    x = 865,723.36

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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.