Home / 785,388.40-1,178,082.60-732,511.60

Finding the Fourth Proportional to 785,388.40, 1,178,082.60 and 732,511.60

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Solution

The fourth proportional to 785,388.40, 1,178,082.60 and 732,511.60 is: 1,098,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,388.40 : 1,178,082.60 = 732,511.60 : x
  2. Step 2: Convert to fraction form
    785,388.40/1,178,082.60 = 732,511.60/x
  3. Step 3: Cross multiply
    785,388.40x = 1,178,082.60 × 732,511.60
  4. Step 4: Simplify right side
    785,388.40x = 862,959,170,258.16
  5. Step 5: Solve for x
    x = 862,959,170,258.16/785,388.40
  6. Step 6: Final answer
    x = 1,098,767.40

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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.