Home / 754,949.13-1,133,191.89-328,675.47

Finding the Fourth Proportional to 754,949.13, 1,133,191.89 and 328,675.47

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Solution

The fourth proportional to 754,949.13, 1,133,191.89 and 328,675.47 is: 493,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,949.13 : 1,133,191.89 = 328,675.47 : x
  2. Step 2: Convert to fraction form
    754,949.13/1,133,191.89 = 328,675.47/x
  3. Step 3: Cross multiply
    754,949.13x = 1,133,191.89 × 328,675.47
  4. Step 4: Simplify right side
    754,949.13x = 372,452,377,045.94
  5. Step 5: Solve for x
    x = 372,452,377,045.94/754,949.13
  6. Step 6: Final answer
    x = 493,347.65

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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.