Home / 898,728.25-1,240,275.60-531,520.17

Finding the Fourth Proportional to 898,728.25, 1,240,275.60 and 531,520.17

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Solution

The fourth proportional to 898,728.25, 1,240,275.60 and 531,520.17 is: 733,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,728.25 : 1,240,275.60 = 531,520.17 : x
  2. Step 2: Convert to fraction form
    898,728.25/1,240,275.60 = 531,520.17/x
  3. Step 3: Cross multiply
    898,728.25x = 1,240,275.60 × 531,520.17
  4. Step 4: Simplify right side
    898,728.25x = 659,231,497,758.85
  5. Step 5: Solve for x
    x = 659,231,497,758.85/898,728.25
  6. Step 6: Final answer
    x = 733,515.94

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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.