Home / 571,932.72-857,341.24-272,332.80

Finding the Fourth Proportional to 571,932.72, 857,341.24 and 272,332.80

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Solution

The fourth proportional to 571,932.72, 857,341.24 and 272,332.80 is: 408,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,932.72 : 857,341.24 = 272,332.80 : x
  2. Step 2: Convert to fraction form
    571,932.72/857,341.24 = 272,332.80/x
  3. Step 3: Cross multiply
    571,932.72x = 857,341.24 × 272,332.80
  4. Step 4: Simplify right side
    571,932.72x = 233,482,140,444.67
  5. Step 5: Solve for x
    x = 233,482,140,444.67/571,932.72
  6. Step 6: Final answer
    x = 408,233.58

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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.