Home / 986,594.40-1,479,454.20-454,278.60

Finding the Fourth Proportional to 986,594.40, 1,479,454.20 and 454,278.60

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Solution

The fourth proportional to 986,594.40, 1,479,454.20 and 454,278.60 is: 681,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,594.40 : 1,479,454.20 = 454,278.60 : x
  2. Step 2: Convert to fraction form
    986,594.40/1,479,454.20 = 454,278.60/x
  3. Step 3: Cross multiply
    986,594.40x = 1,479,454.20 × 454,278.60
  4. Step 4: Simplify right side
    986,594.40x = 672,084,382,740.12
  5. Step 5: Solve for x
    x = 672,084,382,740.12/986,594.40
  6. Step 6: Final answer
    x = 681,216.50

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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.