Home / 403,805.16-557,251.15-234,137.70

Finding the Fourth Proportional to 403,805.16, 557,251.15 and 234,137.70

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Solution

The fourth proportional to 403,805.16, 557,251.15 and 234,137.70 is: 323,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,805.16 : 557,251.15 = 234,137.70 : x
  2. Step 2: Convert to fraction form
    403,805.16/557,251.15 = 234,137.70/x
  3. Step 3: Cross multiply
    403,805.16x = 557,251.15 × 234,137.70
  4. Step 4: Simplify right side
    403,805.16x = 130,473,502,583.36
  5. Step 5: Solve for x
    x = 130,473,502,583.36/403,805.16
  6. Step 6: Final answer
    x = 323,110.04

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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.