Home / 859,616.80-1,289,425.20-461,036.05

Finding the Fourth Proportional to 859,616.80, 1,289,425.20 and 461,036.05

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Solution

The fourth proportional to 859,616.80, 1,289,425.20 and 461,036.05 is: 691,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,616.80 : 1,289,425.20 = 461,036.05 : x
  2. Step 2: Convert to fraction form
    859,616.80/1,289,425.20 = 461,036.05/x
  3. Step 3: Cross multiply
    859,616.80x = 1,289,425.20 × 461,036.05
  4. Step 4: Simplify right side
    859,616.80x = 594,471,500,978.46
  5. Step 5: Solve for x
    x = 594,471,500,978.46/859,616.80
  6. Step 6: Final answer
    x = 691,554.08

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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.