Home / 864,577.04-1,193,217.51-719,126.20

Finding the Fourth Proportional to 864,577.04, 1,193,217.51 and 719,126.20

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Solution

The fourth proportional to 864,577.04, 1,193,217.51 and 719,126.20 is: 992,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,577.04 : 1,193,217.51 = 719,126.20 : x
  2. Step 2: Convert to fraction form
    864,577.04/1,193,217.51 = 719,126.20/x
  3. Step 3: Cross multiply
    864,577.04x = 1,193,217.51 × 719,126.20
  4. Step 4: Simplify right side
    864,577.04x = 858,073,977,730.02
  5. Step 5: Solve for x
    x = 858,073,977,730.02/864,577.04
  6. Step 6: Final answer
    x = 992,478.33

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Double scale
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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.