Home / 657,634.92-907,534.26-371,154.12

Finding the Fourth Proportional to 657,634.92, 907,534.26 and 371,154.12

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Solution

The fourth proportional to 657,634.92, 907,534.26 and 371,154.12 is: 512,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,634.92 : 907,534.26 = 371,154.12 : x
  2. Step 2: Convert to fraction form
    657,634.92/907,534.26 = 371,154.12/x
  3. Step 3: Cross multiply
    657,634.92x = 907,534.26 × 371,154.12
  4. Step 4: Simplify right side
    657,634.92x = 336,835,079,640.15
  5. Step 5: Solve for x
    x = 336,835,079,640.15/657,634.92
  6. Step 6: Final answer
    x = 512,191.60

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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.