Home / 1,965,626.55-2,949,298.35-687,151.92

Finding the Fourth Proportional to 1,965,626.55, 2,949,298.35 and 687,151.92

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Solution

The fourth proportional to 1,965,626.55, 2,949,298.35 and 687,151.92 is: 1,031,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,626.55 : 2,949,298.35 = 687,151.92 : x
  2. Step 2: Convert to fraction form
    1,965,626.55/2,949,298.35 = 687,151.92/x
  3. Step 3: Cross multiply
    1,965,626.55x = 2,949,298.35 × 687,151.92
  4. Step 4: Simplify right side
    1,965,626.55x = 2,026,616,023,855.33
  5. Step 5: Solve for x
    x = 2,026,616,023,855.33/1,965,626.55
  6. Step 6: Final answer
    x = 1,031,028.01

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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.