Home / 1,644,117.12-2,466,219.42-578,916.90

Finding the Fourth Proportional to 1,644,117.12, 2,466,219.42 and 578,916.90

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Solution

The fourth proportional to 1,644,117.12, 2,466,219.42 and 578,916.90 is: 868,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,117.12 : 2,466,219.42 = 578,916.90 : x
  2. Step 2: Convert to fraction form
    1,644,117.12/2,466,219.42 = 578,916.90/x
  3. Step 3: Cross multiply
    1,644,117.12x = 2,466,219.42 × 578,916.90
  4. Step 4: Simplify right side
    1,644,117.12x = 1,427,736,101,346.20
  5. Step 5: Solve for x
    x = 1,427,736,101,346.20/1,644,117.12
  6. Step 6: Final answer
    x = 868,390.75

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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.