Home / 878,307.60-1,317,461.40-655,233.60

Finding the Fourth Proportional to 878,307.60, 1,317,461.40 and 655,233.60

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Solution

The fourth proportional to 878,307.60, 1,317,461.40 and 655,233.60 is: 982,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,307.60 : 1,317,461.40 = 655,233.60 : x
  2. Step 2: Convert to fraction form
    878,307.60/1,317,461.40 = 655,233.60/x
  3. Step 3: Cross multiply
    878,307.60x = 1,317,461.40 × 655,233.60
  4. Step 4: Simplify right side
    878,307.60x = 863,244,975,983.04
  5. Step 5: Solve for x
    x = 863,244,975,983.04/878,307.60
  6. Step 6: Final answer
    x = 982,850.40

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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.