Home / 644,551.20-966,826.80-585,502.20

Finding the Fourth Proportional to 644,551.20, 966,826.80 and 585,502.20

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Solution

The fourth proportional to 644,551.20, 966,826.80 and 585,502.20 is: 878,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,551.20 : 966,826.80 = 585,502.20 : x
  2. Step 2: Convert to fraction form
    644,551.20/966,826.80 = 585,502.20/x
  3. Step 3: Cross multiply
    644,551.20x = 966,826.80 × 585,502.20
  4. Step 4: Simplify right side
    644,551.20x = 566,079,218,418.96
  5. Step 5: Solve for x
    x = 566,079,218,418.96/644,551.20
  6. Step 6: Final answer
    x = 878,253.30

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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.