Home / 424,454.04-636,611.85-124,864.58

Finding the Fourth Proportional to 424,454.04, 636,611.85 and 124,864.58

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Solution

The fourth proportional to 424,454.04, 636,611.85 and 124,864.58 is: 187,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,454.04 : 636,611.85 = 124,864.58 : x
  2. Step 2: Convert to fraction form
    424,454.04/636,611.85 = 124,864.58/x
  3. Step 3: Cross multiply
    424,454.04x = 636,611.85 × 124,864.58
  4. Step 4: Simplify right side
    424,454.04x = 79,490,268,090.21
  5. Step 5: Solve for x
    x = 79,490,268,090.21/424,454.04
  6. Step 6: Final answer
    x = 187,276.50

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1.5x scale

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.