Home / 586,784.20-879,917.10-231,680.20

Finding the Fourth Proportional to 586,784.20, 879,917.10 and 231,680.20

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Solution

The fourth proportional to 586,784.20, 879,917.10 and 231,680.20 is: 347,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,784.20 : 879,917.10 = 231,680.20 : x
  2. Step 2: Convert to fraction form
    586,784.20/879,917.10 = 231,680.20/x
  3. Step 3: Cross multiply
    586,784.20x = 879,917.10 × 231,680.20
  4. Step 4: Simplify right side
    586,784.20x = 203,859,369,711.42
  5. Step 5: Solve for x
    x = 203,859,369,711.42/586,784.20
  6. Step 6: Final answer
    x = 347,417.96

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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.