Home / 829,295.79-1,144,781.30-557,521.31

Finding the Fourth Proportional to 829,295.79, 1,144,781.30 and 557,521.31

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Solution

The fourth proportional to 829,295.79, 1,144,781.30 and 557,521.31 is: 769,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,295.79 : 1,144,781.30 = 557,521.31 : x
  2. Step 2: Convert to fraction form
    829,295.79/1,144,781.30 = 557,521.31/x
  3. Step 3: Cross multiply
    829,295.79x = 1,144,781.30 × 557,521.31
  4. Step 4: Simplify right side
    829,295.79x = 638,239,974,295.26
  5. Step 5: Solve for x
    x = 638,239,974,295.26/829,295.79
  6. Step 6: Final answer
    x = 769,616.81

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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.