Home / 584,590.20-806,736.90-316,318.20

Finding the Fourth Proportional to 584,590.20, 806,736.90 and 316,318.20

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Solution

The fourth proportional to 584,590.20, 806,736.90 and 316,318.20 is: 436,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,590.20 : 806,736.90 = 316,318.20 : x
  2. Step 2: Convert to fraction form
    584,590.20/806,736.90 = 316,318.20/x
  3. Step 3: Cross multiply
    584,590.20x = 806,736.90 × 316,318.20
  4. Step 4: Simplify right side
    584,590.20x = 255,185,564,081.58
  5. Step 5: Solve for x
    x = 255,185,564,081.58/584,590.20
  6. Step 6: Final answer
    x = 436,520.43

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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.