Home / 742,954.92-1,025,281.98-403,423.26

Finding the Fourth Proportional to 742,954.92, 1,025,281.98 and 403,423.26

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Solution

The fourth proportional to 742,954.92, 1,025,281.98 and 403,423.26 is: 556,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,954.92 : 1,025,281.98 = 403,423.26 : x
  2. Step 2: Convert to fraction form
    742,954.92/1,025,281.98 = 403,423.26/x
  3. Step 3: Cross multiply
    742,954.92x = 1,025,281.98 × 403,423.26
  4. Step 4: Simplify right side
    742,954.92x = 413,622,598,790.86
  5. Step 5: Solve for x
    x = 413,622,598,790.86/742,954.92
  6. Step 6: Final answer
    x = 556,726.37

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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.