Home / 657,054.20-985,970.10-433,062.20

Finding the Fourth Proportional to 657,054.20, 985,970.10 and 433,062.20

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Solution

The fourth proportional to 657,054.20, 985,970.10 and 433,062.20 is: 649,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,054.20 : 985,970.10 = 433,062.20 : x
  2. Step 2: Convert to fraction form
    657,054.20/985,970.10 = 433,062.20/x
  3. Step 3: Cross multiply
    657,054.20x = 985,970.10 × 433,062.20
  4. Step 4: Simplify right side
    657,054.20x = 426,986,380,640.22
  5. Step 5: Solve for x
    x = 426,986,380,640.22/657,054.20
  6. Step 6: Final answer
    x = 649,849.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.