Home / 461,418.60-636,759.24-257,465.82

Finding the Fourth Proportional to 461,418.60, 636,759.24 and 257,465.82

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Solution

The fourth proportional to 461,418.60, 636,759.24 and 257,465.82 is: 355,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,418.60 : 636,759.24 = 257,465.82 : x
  2. Step 2: Convert to fraction form
    461,418.60/636,759.24 = 257,465.82/x
  3. Step 3: Cross multiply
    461,418.60x = 636,759.24 × 257,465.82
  4. Step 4: Simplify right side
    461,418.60x = 163,943,739,869.18
  5. Step 5: Solve for x
    x = 163,943,739,869.18/461,418.60
  6. Step 6: Final answer
    x = 355,303.71

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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.