Home / 829,296.22-1,144,781.88-557,521.73

Finding the Fourth Proportional to 829,296.22, 1,144,781.88 and 557,521.73

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Solution

The fourth proportional to 829,296.22, 1,144,781.88 and 557,521.73 is: 769,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,296.22 : 1,144,781.88 = 557,521.73 : x
  2. Step 2: Convert to fraction form
    829,296.22/1,144,781.88 = 557,521.73/x
  3. Step 3: Cross multiply
    829,296.22x = 1,144,781.88 × 557,521.73
  4. Step 4: Simplify right side
    829,296.22x = 638,240,781,832.06
  5. Step 5: Solve for x
    x = 638,240,781,832.06/829,296.22
  6. Step 6: Final answer
    x = 769,617.38

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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.