Home / 904,761.18-1,248,521.72-517,584.29

Finding the Fourth Proportional to 904,761.18, 1,248,521.72 and 517,584.29

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Solution

The fourth proportional to 904,761.18, 1,248,521.72 and 517,584.29 is: 714,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,761.18 : 1,248,521.72 = 517,584.29 : x
  2. Step 2: Convert to fraction form
    904,761.18/1,248,521.72 = 517,584.29/x
  3. Step 3: Cross multiply
    904,761.18x = 1,248,521.72 × 517,584.29
  4. Step 4: Simplify right side
    904,761.18x = 646,215,219,165.25
  5. Step 5: Solve for x
    x = 646,215,219,165.25/904,761.18
  6. Step 6: Final answer
    x = 714,238.45

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Double scale
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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.