Home / 657,046.20-985,958.10-433,054.20

Finding the Fourth Proportional to 657,046.20, 985,958.10 and 433,054.20

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Solution

The fourth proportional to 657,046.20, 985,958.10 and 433,054.20 is: 649,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,046.20 : 985,958.10 = 433,054.20 : x
  2. Step 2: Convert to fraction form
    657,046.20/985,958.10 = 433,054.20/x
  3. Step 3: Cross multiply
    657,046.20x = 985,958.10 × 433,054.20
  4. Step 4: Simplify right side
    657,046.20x = 426,973,296,229.02
  5. Step 5: Solve for x
    x = 426,973,296,229.02/657,046.20
  6. Step 6: Final answer
    x = 649,837.56

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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.