Home / 829,228.80-1,144,233.90-523,189.74

Finding the Fourth Proportional to 829,228.80, 1,144,233.90 and 523,189.74

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Solution

The fourth proportional to 829,228.80, 1,144,233.90 and 523,189.74 is: 721,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,228.80 : 1,144,233.90 = 523,189.74 : x
  2. Step 2: Convert to fraction form
    829,228.80/1,144,233.90 = 523,189.74/x
  3. Step 3: Cross multiply
    829,228.80x = 1,144,233.90 × 523,189.74
  4. Step 4: Simplify right side
    829,228.80x = 598,651,436,640.19
  5. Step 5: Solve for x
    x = 598,651,436,640.19/829,228.80
  6. Step 6: Final answer
    x = 721,937.58

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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.