Home / 846,078.12-1,267,425.18-508,932.36

Finding the Fourth Proportional to 846,078.12, 1,267,425.18 and 508,932.36

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Solution

The fourth proportional to 846,078.12, 1,267,425.18 and 508,932.36 is: 762,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,078.12 : 1,267,425.18 = 508,932.36 : x
  2. Step 2: Convert to fraction form
    846,078.12/1,267,425.18 = 508,932.36/x
  3. Step 3: Cross multiply
    846,078.12x = 1,267,425.18 × 508,932.36
  4. Step 4: Simplify right side
    846,078.12x = 645,033,687,980.83
  5. Step 5: Solve for x
    x = 645,033,687,980.83/846,078.12
  6. Step 6: Final answer
    x = 762,380.77

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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.