Home / 859,660.30-1,289,490.45-461,079.55

Finding the Fourth Proportional to 859,660.30, 1,289,490.45 and 461,079.55

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Solution

The fourth proportional to 859,660.30, 1,289,490.45 and 461,079.55 is: 691,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,660.30 : 1,289,490.45 = 461,079.55 : x
  2. Step 2: Convert to fraction form
    859,660.30/1,289,490.45 = 461,079.55/x
  3. Step 3: Cross multiply
    859,660.30x = 1,289,490.45 × 461,079.55
  4. Step 4: Simplify right side
    859,660.30x = 594,557,676,415.30
  5. Step 5: Solve for x
    x = 594,557,676,415.30/859,660.30
  6. Step 6: Final answer
    x = 691,619.33

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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.