Home / 1,181,790.88-1,772,689.20-471,876.64

Finding the Fourth Proportional to 1,181,790.88, 1,772,689.20 and 471,876.64

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Solution

The fourth proportional to 1,181,790.88, 1,772,689.20 and 471,876.64 is: 707,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,790.88 : 1,772,689.20 = 471,876.64 : x
  2. Step 2: Convert to fraction form
    1,181,790.88/1,772,689.20 = 471,876.64/x
  3. Step 3: Cross multiply
    1,181,790.88x = 1,772,689.20 × 471,876.64
  4. Step 4: Simplify right side
    1,181,790.88x = 836,490,623,460.29
  5. Step 5: Solve for x
    x = 836,490,623,460.29/1,181,790.88
  6. Step 6: Final answer
    x = 707,816.11

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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.