Home / 1,977,344.10-2,965,432.95-778,868.10

Finding the Fourth Proportional to 1,977,344.10, 2,965,432.95 and 778,868.10

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Solution

The fourth proportional to 1,977,344.10, 2,965,432.95 and 778,868.10 is: 1,168,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,344.10 : 2,965,432.95 = 778,868.10 : x
  2. Step 2: Convert to fraction form
    1,977,344.10/2,965,432.95 = 778,868.10/x
  3. Step 3: Cross multiply
    1,977,344.10x = 2,965,432.95 × 778,868.10
  4. Step 4: Simplify right side
    1,977,344.10x = 2,309,681,127,443.90
  5. Step 5: Solve for x
    x = 2,309,681,127,443.90/1,977,344.10
  6. Step 6: Final answer
    x = 1,168,072.43

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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.