Home / 1,873,404.70-2,807,844.07-912,420.04

Finding the Fourth Proportional to 1,873,404.70, 2,807,844.07 and 912,420.04

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Solution

The fourth proportional to 1,873,404.70, 2,807,844.07 and 912,420.04 is: 1,367,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,404.70 : 2,807,844.07 = 912,420.04 : x
  2. Step 2: Convert to fraction form
    1,873,404.70/2,807,844.07 = 912,420.04/x
  3. Step 3: Cross multiply
    1,873,404.70x = 2,807,844.07 × 912,420.04
  4. Step 4: Simplify right side
    1,873,404.70x = 2,561,933,198,663.16
  5. Step 5: Solve for x
    x = 2,561,933,198,663.16/1,873,404.70
  6. Step 6: Final answer
    x = 1,367,527.90

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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.