Home / 955,131.52-1,318,101.92-525,411.68

Finding the Fourth Proportional to 955,131.52, 1,318,101.92 and 525,411.68

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Solution

The fourth proportional to 955,131.52, 1,318,101.92 and 525,411.68 is: 725,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,131.52 : 1,318,101.92 = 525,411.68 : x
  2. Step 2: Convert to fraction form
    955,131.52/1,318,101.92 = 525,411.68/x
  3. Step 3: Cross multiply
    955,131.52x = 1,318,101.92 × 525,411.68
  4. Step 4: Simplify right side
    955,131.52x = 692,546,144,198.43
  5. Step 5: Solve for x
    x = 692,546,144,198.43/955,131.52
  6. Step 6: Final answer
    x = 725,079.35

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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.