Home / 591,346.20-887,019.30-585,125.40

Finding the Fourth Proportional to 591,346.20, 887,019.30 and 585,125.40

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Solution

The fourth proportional to 591,346.20, 887,019.30 and 585,125.40 is: 877,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,346.20 : 887,019.30 = 585,125.40 : x
  2. Step 2: Convert to fraction form
    591,346.20/887,019.30 = 585,125.40/x
  3. Step 3: Cross multiply
    591,346.20x = 887,019.30 × 585,125.40
  4. Step 4: Simplify right side
    591,346.20x = 519,017,522,720.22
  5. Step 5: Solve for x
    x = 519,017,522,720.22/591,346.20
  6. Step 6: Final answer
    x = 877,688.10

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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.