Home / 886,079.15-1,222,425.17-657,199.58

Finding the Fourth Proportional to 886,079.15, 1,222,425.17 and 657,199.58

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Solution

The fourth proportional to 886,079.15, 1,222,425.17 and 657,199.58 is: 906,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,079.15 : 1,222,425.17 = 657,199.58 : x
  2. Step 2: Convert to fraction form
    886,079.15/1,222,425.17 = 657,199.58/x
  3. Step 3: Cross multiply
    886,079.15x = 1,222,425.17 × 657,199.58
  4. Step 4: Simplify right side
    886,079.15x = 803,377,301,371.80
  5. Step 5: Solve for x
    x = 803,377,301,371.80/886,079.15
  6. Step 6: Final answer
    x = 906,665.39

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1.5x scale

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.