Home / 663,040.80-914,964.48-376,523.04

Finding the Fourth Proportional to 663,040.80, 914,964.48 and 376,523.04

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Solution

The fourth proportional to 663,040.80, 914,964.48 and 376,523.04 is: 519,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,040.80 : 914,964.48 = 376,523.04 : x
  2. Step 2: Convert to fraction form
    663,040.80/914,964.48 = 376,523.04/x
  3. Step 3: Cross multiply
    663,040.80x = 914,964.48 × 376,523.04
  4. Step 4: Simplify right side
    663,040.80x = 344,505,207,501.62
  5. Step 5: Solve for x
    x = 344,505,207,501.62/663,040.80
  6. Step 6: Final answer
    x = 519,583.72

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1.5x scale

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.