Home / 1,561,333.28-2,154,395.02-908,103.92

Finding the Fourth Proportional to 1,561,333.28, 2,154,395.02 and 908,103.92

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Solution

The fourth proportional to 1,561,333.28, 2,154,395.02 and 908,103.92 is: 1,253,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,333.28 : 2,154,395.02 = 908,103.92 : x
  2. Step 2: Convert to fraction form
    1,561,333.28/2,154,395.02 = 908,103.92/x
  3. Step 3: Cross multiply
    1,561,333.28x = 2,154,395.02 × 908,103.92
  4. Step 4: Simplify right side
    1,561,333.28x = 1,956,414,562,890.48
  5. Step 5: Solve for x
    x = 1,956,414,562,890.48/1,561,333.28
  6. Step 6: Final answer
    x = 1,253,040.97

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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.