Home / 1,776,915.78-2,665,371.51-578,836.14

Finding the Fourth Proportional to 1,776,915.78, 2,665,371.51 and 578,836.14

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Solution

The fourth proportional to 1,776,915.78, 2,665,371.51 and 578,836.14 is: 868,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,915.78 : 2,665,371.51 = 578,836.14 : x
  2. Step 2: Convert to fraction form
    1,776,915.78/2,665,371.51 = 578,836.14/x
  3. Step 3: Cross multiply
    1,776,915.78x = 2,665,371.51 × 578,836.14
  4. Step 4: Simplify right side
    1,776,915.78x = 1,542,813,356,514.37
  5. Step 5: Solve for x
    x = 1,542,813,356,514.37/1,776,915.78
  6. Step 6: Final answer
    x = 868,253.51

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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.