Home / 663,429.42-914,969.19-560,567.58

Finding the Fourth Proportional to 663,429.42, 914,969.19 and 560,567.58

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Solution

The fourth proportional to 663,429.42, 914,969.19 and 560,567.58 is: 773,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,429.42 : 914,969.19 = 560,567.58 : x
  2. Step 2: Convert to fraction form
    663,429.42/914,969.19 = 560,567.58/x
  3. Step 3: Cross multiply
    663,429.42x = 914,969.19 × 560,567.58
  4. Step 4: Simplify right side
    663,429.42x = 512,902,064,612.86
  5. Step 5: Solve for x
    x = 512,902,064,612.86/663,429.42
  6. Step 6: Final answer
    x = 773,107.21

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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.