Home / 584,734.20-806,933.10-316,462.20

Finding the Fourth Proportional to 584,734.20, 806,933.10 and 316,462.20

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Solution

The fourth proportional to 584,734.20, 806,933.10 and 316,462.20 is: 436,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,734.20 : 806,933.10 = 316,462.20 : x
  2. Step 2: Convert to fraction form
    584,734.20/806,933.10 = 316,462.20/x
  3. Step 3: Cross multiply
    584,734.20x = 806,933.10 × 316,462.20
  4. Step 4: Simplify right side
    584,734.20x = 255,363,824,078.82
  5. Step 5: Solve for x
    x = 255,363,824,078.82/584,734.20
  6. Step 6: Final answer
    x = 436,717.78

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Double scale
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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.