Home / 657,046.47-985,577.60-257,875.23

Finding the Fourth Proportional to 657,046.47, 985,577.60 and 257,875.23

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Solution

The fourth proportional to 657,046.47, 985,577.60 and 257,875.23 is: 386,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,046.47 : 985,577.60 = 257,875.23 : x
  2. Step 2: Convert to fraction form
    657,046.47/985,577.60 = 257,875.23/x
  3. Step 3: Cross multiply
    657,046.47x = 985,577.60 × 257,875.23
  4. Step 4: Simplify right side
    657,046.47x = 254,156,050,282.85
  5. Step 5: Solve for x
    x = 254,156,050,282.85/657,046.47
  6. Step 6: Final answer
    x = 386,815.94

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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.