Home / 779,785.66-1,167,017.19-653,568.40

Finding the Fourth Proportional to 779,785.66, 1,167,017.19 and 653,568.40

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Solution

The fourth proportional to 779,785.66, 1,167,017.19 and 653,568.40 is: 978,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,785.66 : 1,167,017.19 = 653,568.40 : x
  2. Step 2: Convert to fraction form
    779,785.66/1,167,017.19 = 653,568.40/x
  3. Step 3: Cross multiply
    779,785.66x = 1,167,017.19 × 653,568.40
  4. Step 4: Simplify right side
    779,785.66x = 762,725,557,640.80
  5. Step 5: Solve for x
    x = 762,725,557,640.80/779,785.66
  6. Step 6: Final answer
    x = 978,122.06

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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.