Home / 896,171.70-1,344,257.55-542,277.30

Finding the Fourth Proportional to 896,171.70, 1,344,257.55 and 542,277.30

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Solution

The fourth proportional to 896,171.70, 1,344,257.55 and 542,277.30 is: 813,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,171.70 : 1,344,257.55 = 542,277.30 : x
  2. Step 2: Convert to fraction form
    896,171.70/1,344,257.55 = 542,277.30/x
  3. Step 3: Cross multiply
    896,171.70x = 1,344,257.55 × 542,277.30
  4. Step 4: Simplify right side
    896,171.70x = 728,960,354,718.62
  5. Step 5: Solve for x
    x = 728,960,354,718.62/896,171.70
  6. Step 6: Final answer
    x = 813,415.95

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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.