Home / 461,380.72-636,821.40-260,293.36

Finding the Fourth Proportional to 461,380.72, 636,821.40 and 260,293.36

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Solution

The fourth proportional to 461,380.72, 636,821.40 and 260,293.36 is: 359,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,380.72 : 636,821.40 = 260,293.36 : x
  2. Step 2: Convert to fraction form
    461,380.72/636,821.40 = 260,293.36/x
  3. Step 3: Cross multiply
    461,380.72x = 636,821.40 × 260,293.36
  4. Step 4: Simplify right side
    461,380.72x = 165,760,381,925.90
  5. Step 5: Solve for x
    x = 165,760,381,925.90/461,380.72
  6. Step 6: Final answer
    x = 359,270.28

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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.