Home / 371,329.15-556,034.46-256,278.66

Finding the Fourth Proportional to 371,329.15, 556,034.46 and 256,278.66

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Solution

The fourth proportional to 371,329.15, 556,034.46 and 256,278.66 is: 383,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,329.15 : 556,034.46 = 256,278.66 : x
  2. Step 2: Convert to fraction form
    371,329.15/556,034.46 = 256,278.66/x
  3. Step 3: Cross multiply
    371,329.15x = 556,034.46 × 256,278.66
  4. Step 4: Simplify right side
    371,329.15x = 142,499,765,875.62
  5. Step 5: Solve for x
    x = 142,499,765,875.62/371,329.15
  6. Step 6: Final answer
    x = 383,755.93

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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.