Home / 829,295.82-1,144,781.34-557,521.34

Finding the Fourth Proportional to 829,295.82, 1,144,781.34 and 557,521.34

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Solution

The fourth proportional to 829,295.82, 1,144,781.34 and 557,521.34 is: 769,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,295.82 : 1,144,781.34 = 557,521.34 : x
  2. Step 2: Convert to fraction form
    829,295.82/1,144,781.34 = 557,521.34/x
  3. Step 3: Cross multiply
    829,295.82x = 1,144,781.34 × 557,521.34
  4. Step 4: Simplify right side
    829,295.82x = 638,240,023,162.11
  5. Step 5: Solve for x
    x = 638,240,023,162.11/829,295.82
  6. Step 6: Final answer
    x = 769,616.83

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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.