Home / 1,776,916.35-2,665,372.35-578,836.71

Finding the Fourth Proportional to 1,776,916.35, 2,665,372.35 and 578,836.71

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Solution

The fourth proportional to 1,776,916.35, 2,665,372.35 and 578,836.71 is: 868,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,916.35 : 2,665,372.35 = 578,836.71 : x
  2. Step 2: Convert to fraction form
    1,776,916.35/2,665,372.35 = 578,836.71/x
  3. Step 3: Cross multiply
    1,776,916.35x = 2,665,372.35 × 578,836.71
  4. Step 4: Simplify right side
    1,776,916.35x = 1,542,815,361,998.97
  5. Step 5: Solve for x
    x = 1,542,815,361,998.97/1,776,916.35
  6. Step 6: Final answer
    x = 868,254.36

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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.