Home / 429,403.52-592,168.56-313,011.20

Finding the Fourth Proportional to 429,403.52, 592,168.56 and 313,011.20

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Solution

The fourth proportional to 429,403.52, 592,168.56 and 313,011.20 is: 431,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,403.52 : 592,168.56 = 313,011.20 : x
  2. Step 2: Convert to fraction form
    429,403.52/592,168.56 = 313,011.20/x
  3. Step 3: Cross multiply
    429,403.52x = 592,168.56 × 313,011.20
  4. Step 4: Simplify right side
    429,403.52x = 185,355,391,567.87
  5. Step 5: Solve for x
    x = 185,355,391,567.87/429,403.52
  6. Step 6: Final answer
    x = 431,657.83

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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.