Home / 960,555.71-1,440,833.57-361,651.23

Finding the Fourth Proportional to 960,555.71, 1,440,833.57 and 361,651.23

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Solution

The fourth proportional to 960,555.71, 1,440,833.57 and 361,651.23 is: 542,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,555.71 : 1,440,833.57 = 361,651.23 : x
  2. Step 2: Convert to fraction form
    960,555.71/1,440,833.57 = 361,651.23/x
  3. Step 3: Cross multiply
    960,555.71x = 1,440,833.57 × 361,651.23
  4. Step 4: Simplify right side
    960,555.71x = 521,079,232,363.73
  5. Step 5: Solve for x
    x = 521,079,232,363.73/960,555.71
  6. Step 6: Final answer
    x = 542,476.85

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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.