Home / 1,520,994.47-2,098,972.41-841,930.97

Finding the Fourth Proportional to 1,520,994.47, 2,098,972.41 and 841,930.97

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Solution

The fourth proportional to 1,520,994.47, 2,098,972.41 and 841,930.97 is: 1,161,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,994.47 : 2,098,972.41 = 841,930.97 : x
  2. Step 2: Convert to fraction form
    1,520,994.47/2,098,972.41 = 841,930.97/x
  3. Step 3: Cross multiply
    1,520,994.47x = 2,098,972.41 × 841,930.97
  4. Step 4: Simplify right side
    1,520,994.47x = 1,767,189,877,154.54
  5. Step 5: Solve for x
    x = 1,767,189,877,154.54/1,520,994.47
  6. Step 6: Final answer
    x = 1,161,864.76

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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.