Home / 922,126.72-1,272,540.42-514,254.31

Finding the Fourth Proportional to 922,126.72, 1,272,540.42 and 514,254.31

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Solution

The fourth proportional to 922,126.72, 1,272,540.42 and 514,254.31 is: 709,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,126.72 : 1,272,540.42 = 514,254.31 : x
  2. Step 2: Convert to fraction form
    922,126.72/1,272,540.42 = 514,254.31/x
  3. Step 3: Cross multiply
    922,126.72x = 1,272,540.42 × 514,254.31
  4. Step 4: Simplify right side
    922,126.72x = 654,409,395,634.21
  5. Step 5: Solve for x
    x = 654,409,395,634.21/922,126.72
  6. Step 6: Final answer
    x = 709,674.04

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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.