Home / 592,394.89-817,505.18-320,462.72

Finding the Fourth Proportional to 592,394.89, 817,505.18 and 320,462.72

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Solution

The fourth proportional to 592,394.89, 817,505.18 and 320,462.72 is: 442,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,394.89 : 817,505.18 = 320,462.72 : x
  2. Step 2: Convert to fraction form
    592,394.89/817,505.18 = 320,462.72/x
  3. Step 3: Cross multiply
    592,394.89x = 817,505.18 × 320,462.72
  4. Step 4: Simplify right side
    592,394.89x = 261,979,934,398.05
  5. Step 5: Solve for x
    x = 261,979,934,398.05/592,394.89
  6. Step 6: Final answer
    x = 442,238.68

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1.5x scale

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.