Home / 894,288.20-1,234,438.72-531,711.19

Finding the Fourth Proportional to 894,288.20, 1,234,438.72 and 531,711.19

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Solution

The fourth proportional to 894,288.20, 1,234,438.72 and 531,711.19 is: 733,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,288.20 : 1,234,438.72 = 531,711.19 : x
  2. Step 2: Convert to fraction form
    894,288.20/1,234,438.72 = 531,711.19/x
  3. Step 3: Cross multiply
    894,288.20x = 1,234,438.72 × 531,711.19
  4. Step 4: Simplify right side
    894,288.20x = 656,364,878,134.72
  5. Step 5: Solve for x
    x = 656,364,878,134.72/894,288.20
  6. Step 6: Final answer
    x = 733,952.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.