Home / 1,406,813.76-2,108,489.52-800,111.34

Finding the Fourth Proportional to 1,406,813.76, 2,108,489.52 and 800,111.34

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Solution

The fourth proportional to 1,406,813.76, 2,108,489.52 and 800,111.34 is: 1,199,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,813.76 : 2,108,489.52 = 800,111.34 : x
  2. Step 2: Convert to fraction form
    1,406,813.76/2,108,489.52 = 800,111.34/x
  3. Step 3: Cross multiply
    1,406,813.76x = 2,108,489.52 × 800,111.34
  4. Step 4: Simplify right side
    1,406,813.76x = 1,687,026,375,223.16
  5. Step 5: Solve for x
    x = 1,687,026,375,223.16/1,406,813.76
  6. Step 6: Final answer
    x = 1,199,182.45

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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.