Home / 1,154,944.79-1,593,833.90-638,671.85

Finding the Fourth Proportional to 1,154,944.79, 1,593,833.90 and 638,671.85

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Solution

The fourth proportional to 1,154,944.79, 1,593,833.90 and 638,671.85 is: 881,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,944.79 : 1,593,833.90 = 638,671.85 : x
  2. Step 2: Convert to fraction form
    1,154,944.79/1,593,833.90 = 638,671.85/x
  3. Step 3: Cross multiply
    1,154,944.79x = 1,593,833.90 × 638,671.85
  4. Step 4: Simplify right side
    1,154,944.79x = 1,017,936,845,505.71
  5. Step 5: Solve for x
    x = 1,017,936,845,505.71/1,154,944.79
  6. Step 6: Final answer
    x = 881,372.73

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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.