Home / 1,851,385.10-2,776,079.10-839,955.20

Finding the Fourth Proportional to 1,851,385.10, 2,776,079.10 and 839,955.20

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Solution

The fourth proportional to 1,851,385.10, 2,776,079.10 and 839,955.20 is: 1,259,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,385.10 : 2,776,079.10 = 839,955.20 : x
  2. Step 2: Convert to fraction form
    1,851,385.10/2,776,079.10 = 839,955.20/x
  3. Step 3: Cross multiply
    1,851,385.10x = 2,776,079.10 × 839,955.20
  4. Step 4: Simplify right side
    1,851,385.10x = 2,331,782,061,775.92
  5. Step 5: Solve for x
    x = 2,331,782,061,775.92/1,851,385.10
  6. Step 6: Final answer
    x = 1,259,479.76

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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.