Home / 584,560.20-876,621.60-205,334.40

Finding the Fourth Proportional to 584,560.20, 876,621.60 and 205,334.40

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Solution

The fourth proportional to 584,560.20, 876,621.60 and 205,334.40 is: 307,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,560.20 : 876,621.60 = 205,334.40 : x
  2. Step 2: Convert to fraction form
    584,560.20/876,621.60 = 205,334.40/x
  3. Step 3: Cross multiply
    584,560.20x = 876,621.60 × 205,334.40
  4. Step 4: Simplify right side
    584,560.20x = 180,000,570,263.04
  5. Step 5: Solve for x
    x = 180,000,570,263.04/584,560.20
  6. Step 6: Final answer
    x = 307,924.78

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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.