Home / 461,454.87-636,551.85-270,431.36

Finding the Fourth Proportional to 461,454.87, 636,551.85 and 270,431.36

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Solution

The fourth proportional to 461,454.87, 636,551.85 and 270,431.36 is: 373,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,454.87 : 636,551.85 = 270,431.36 : x
  2. Step 2: Convert to fraction form
    461,454.87/636,551.85 = 270,431.36/x
  3. Step 3: Cross multiply
    461,454.87x = 636,551.85 × 270,431.36
  4. Step 4: Simplify right side
    461,454.87x = 172,143,582,506.02
  5. Step 5: Solve for x
    x = 172,143,582,506.02/461,454.87
  6. Step 6: Final answer
    x = 373,045.33

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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.