Home / 1,588,171.01-2,191,708.40-863,065.43

Finding the Fourth Proportional to 1,588,171.01, 2,191,708.40 and 863,065.43

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Solution

The fourth proportional to 1,588,171.01, 2,191,708.40 and 863,065.43 is: 1,191,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,171.01 : 2,191,708.40 = 863,065.43 : x
  2. Step 2: Convert to fraction form
    1,588,171.01/2,191,708.40 = 863,065.43/x
  3. Step 3: Cross multiply
    1,588,171.01x = 2,191,708.40 × 863,065.43
  4. Step 4: Simplify right side
    1,588,171.01x = 1,891,587,752,680.61
  5. Step 5: Solve for x
    x = 1,891,587,752,680.61/1,588,171.01
  6. Step 6: Final answer
    x = 1,191,047.90

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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.