Home / 786,088.60-1,179,132.90-576,136.60

Finding the Fourth Proportional to 786,088.60, 1,179,132.90 and 576,136.60

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Solution

The fourth proportional to 786,088.60, 1,179,132.90 and 576,136.60 is: 864,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,088.60 : 1,179,132.90 = 576,136.60 : x
  2. Step 2: Convert to fraction form
    786,088.60/1,179,132.90 = 576,136.60/x
  3. Step 3: Cross multiply
    786,088.60x = 1,179,132.90 × 576,136.60
  4. Step 4: Simplify right side
    786,088.60x = 679,341,619,954.14
  5. Step 5: Solve for x
    x = 679,341,619,954.14/786,088.60
  6. Step 6: Final answer
    x = 864,204.90

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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.