Home / 1,200,158.17-1,656,165.55-684,023.77

Finding the Fourth Proportional to 1,200,158.17, 1,656,165.55 and 684,023.77

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Solution

The fourth proportional to 1,200,158.17, 1,656,165.55 and 684,023.77 is: 943,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,158.17 : 1,656,165.55 = 684,023.77 : x
  2. Step 2: Convert to fraction form
    1,200,158.17/1,656,165.55 = 684,023.77/x
  3. Step 3: Cross multiply
    1,200,158.17x = 1,656,165.55 × 684,023.77
  4. Step 4: Simplify right side
    1,200,158.17x = 1,132,856,603,255.12
  5. Step 5: Solve for x
    x = 1,132,856,603,255.12/1,200,158.17
  6. Step 6: Final answer
    x = 943,922.75

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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.