Home / 591,507.10-887,260.65-355,116.70

Finding the Fourth Proportional to 591,507.10, 887,260.65 and 355,116.70

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Solution

The fourth proportional to 591,507.10, 887,260.65 and 355,116.70 is: 532,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,507.10 : 887,260.65 = 355,116.70 : x
  2. Step 2: Convert to fraction form
    591,507.10/887,260.65 = 355,116.70/x
  3. Step 3: Cross multiply
    591,507.10x = 887,260.65 × 355,116.70
  4. Step 4: Simplify right side
    591,507.10x = 315,081,074,067.86
  5. Step 5: Solve for x
    x = 315,081,074,067.86/591,507.10
  6. Step 6: Final answer
    x = 532,675.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.