Home / 859,891.50-1,186,641.66-477,910.08

Finding the Fourth Proportional to 859,891.50, 1,186,641.66 and 477,910.08

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Solution

The fourth proportional to 859,891.50, 1,186,641.66 and 477,910.08 is: 659,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,891.50 : 1,186,641.66 = 477,910.08 : x
  2. Step 2: Convert to fraction form
    859,891.50/1,186,641.66 = 477,910.08/x
  3. Step 3: Cross multiply
    859,891.50x = 1,186,641.66 × 477,910.08
  4. Step 4: Simplify right side
    859,891.50x = 567,108,010,661.93
  5. Step 5: Solve for x
    x = 567,108,010,661.93/859,891.50
  6. Step 6: Final answer
    x = 659,511.13

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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.