Home / 755,038.38-1,131,770.24-306,069.14

Finding the Fourth Proportional to 755,038.38, 1,131,770.24 and 306,069.14

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Solution

The fourth proportional to 755,038.38, 1,131,770.24 and 306,069.14 is: 458,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,038.38 : 1,131,770.24 = 306,069.14 : x
  2. Step 2: Convert to fraction form
    755,038.38/1,131,770.24 = 306,069.14/x
  3. Step 3: Cross multiply
    755,038.38x = 1,131,770.24 × 306,069.14
  4. Step 4: Simplify right side
    755,038.38x = 346,399,944,034.39
  5. Step 5: Solve for x
    x = 346,399,944,034.39/755,038.38
  6. Step 6: Final answer
    x = 458,784.55

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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.