Home / 758,051.20-1,046,202.39-431,443.63

Finding the Fourth Proportional to 758,051.20, 1,046,202.39 and 431,443.63

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Solution

The fourth proportional to 758,051.20, 1,046,202.39 and 431,443.63 is: 595,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,051.20 : 1,046,202.39 = 431,443.63 : x
  2. Step 2: Convert to fraction form
    758,051.20/1,046,202.39 = 431,443.63/x
  3. Step 3: Cross multiply
    758,051.20x = 1,046,202.39 × 431,443.63
  4. Step 4: Simplify right side
    758,051.20x = 451,377,356,856.28
  5. Step 5: Solve for x
    x = 451,377,356,856.28/758,051.20
  6. Step 6: Final answer
    x = 595,444.42

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Double scale
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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.