Home / 820,560.59-1,131,480.92-533,548.43

Finding the Fourth Proportional to 820,560.59, 1,131,480.92 and 533,548.43

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Solution

The fourth proportional to 820,560.59, 1,131,480.92 and 533,548.43 is: 735,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,560.59 : 1,131,480.92 = 533,548.43 : x
  2. Step 2: Convert to fraction form
    820,560.59/1,131,480.92 = 533,548.43/x
  3. Step 3: Cross multiply
    820,560.59x = 1,131,480.92 × 533,548.43
  4. Step 4: Simplify right side
    820,560.59x = 603,699,864,117.42
  5. Step 5: Solve for x
    x = 603,699,864,117.42/820,560.59
  6. Step 6: Final answer
    x = 735,716.38

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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.