Home / 1,472,019.44-2,031,397.98-818,654.54

Finding the Fourth Proportional to 1,472,019.44, 2,031,397.98 and 818,654.54

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Solution

The fourth proportional to 1,472,019.44, 2,031,397.98 and 818,654.54 is: 1,129,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,019.44 : 2,031,397.98 = 818,654.54 : x
  2. Step 2: Convert to fraction form
    1,472,019.44/2,031,397.98 = 818,654.54/x
  3. Step 3: Cross multiply
    1,472,019.44x = 2,031,397.98 × 818,654.54
  4. Step 4: Simplify right side
    1,472,019.44x = 1,663,013,178,873.83
  5. Step 5: Solve for x
    x = 1,663,013,178,873.83/1,472,019.44
  6. Step 6: Final answer
    x = 1,129,749.47

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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.