Home / 904,434.08-1,356,843.20-343,456.16

Finding the Fourth Proportional to 904,434.08, 1,356,843.20 and 343,456.16

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Solution

The fourth proportional to 904,434.08, 1,356,843.20 and 343,456.16 is: 515,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,434.08 : 1,356,843.20 = 343,456.16 : x
  2. Step 2: Convert to fraction form
    904,434.08/1,356,843.20 = 343,456.16/x
  3. Step 3: Cross multiply
    904,434.08x = 1,356,843.20 × 343,456.16
  4. Step 4: Simplify right side
    904,434.08x = 466,016,155,194.11
  5. Step 5: Solve for x
    x = 466,016,155,194.11/904,434.08
  6. Step 6: Final answer
    x = 515,257.18

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1.5x scale

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.