Home / 779,815.66-1,167,062.16-653,598.40

Finding the Fourth Proportional to 779,815.66, 1,167,062.16 and 653,598.40

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Solution

The fourth proportional to 779,815.66, 1,167,062.16 and 653,598.40 is: 978,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,815.66 : 1,167,062.16 = 653,598.40 : x
  2. Step 2: Convert to fraction form
    779,815.66/1,167,062.16 = 653,598.40/x
  3. Step 3: Cross multiply
    779,815.66x = 1,167,062.16 × 653,598.40
  4. Step 4: Simplify right side
    779,815.66x = 762,789,960,476.54
  5. Step 5: Solve for x
    x = 762,789,960,476.54/779,815.66
  6. Step 6: Final answer
    x = 978,167.02

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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.