Home / 869,336.28-1,199,683.26-487,363.14

Finding the Fourth Proportional to 869,336.28, 1,199,683.26 and 487,363.14

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Solution

The fourth proportional to 869,336.28, 1,199,683.26 and 487,363.14 is: 672,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,336.28 : 1,199,683.26 = 487,363.14 : x
  2. Step 2: Convert to fraction form
    869,336.28/1,199,683.26 = 487,363.14/x
  3. Step 3: Cross multiply
    869,336.28x = 1,199,683.26 × 487,363.14
  4. Step 4: Simplify right side
    869,336.28x = 584,681,400,599.04
  5. Step 5: Solve for x
    x = 584,681,400,599.04/869,336.28
  6. Step 6: Final answer
    x = 672,560.68

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.