Home / 663,045.30-914,970.69-376,527.54

Finding the Fourth Proportional to 663,045.30, 914,970.69 and 376,527.54

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Solution

The fourth proportional to 663,045.30, 914,970.69 and 376,527.54 is: 519,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,045.30 : 914,970.69 = 376,527.54 : x
  2. Step 2: Convert to fraction form
    663,045.30/914,970.69 = 376,527.54/x
  3. Step 3: Cross multiply
    663,045.30x = 914,970.69 × 376,527.54
  4. Step 4: Simplify right side
    663,045.30x = 344,511,663,077.80
  5. Step 5: Solve for x
    x = 344,511,663,077.80/663,045.30
  6. Step 6: Final answer
    x = 519,589.93

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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.