Home / 853,983.52-1,281,158.24-254,991.84

Finding the Fourth Proportional to 853,983.52, 1,281,158.24 and 254,991.84

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Solution

The fourth proportional to 853,983.52, 1,281,158.24 and 254,991.84 is: 382,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,983.52 : 1,281,158.24 = 254,991.84 : x
  2. Step 2: Convert to fraction form
    853,983.52/1,281,158.24 = 254,991.84/x
  3. Step 3: Cross multiply
    853,983.52x = 1,281,158.24 × 254,991.84
  4. Step 4: Simplify right side
    853,983.52x = 326,684,896,948.76
  5. Step 5: Solve for x
    x = 326,684,896,948.76/853,983.52
  6. Step 6: Final answer
    x = 382,542.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.