Home / 506,530.48-702,208.60-479,565.04

Finding the Fourth Proportional to 506,530.48, 702,208.60 and 479,565.04

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Solution

The fourth proportional to 506,530.48, 702,208.60 and 479,565.04 is: 664,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,530.48 : 702,208.60 = 479,565.04 : x
  2. Step 2: Convert to fraction form
    506,530.48/702,208.60 = 479,565.04/x
  3. Step 3: Cross multiply
    506,530.48x = 702,208.60 × 479,565.04
  4. Step 4: Simplify right side
    506,530.48x = 336,754,695,347.34
  5. Step 5: Solve for x
    x = 336,754,695,347.34/506,530.48
  6. Step 6: Final answer
    x = 664,826.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.