Home / 1,243,275.66-1,715,717.88-699,411.84

Finding the Fourth Proportional to 1,243,275.66, 1,715,717.88 and 699,411.84

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Solution

The fourth proportional to 1,243,275.66, 1,715,717.88 and 699,411.84 is: 965,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,275.66 : 1,715,717.88 = 699,411.84 : x
  2. Step 2: Convert to fraction form
    1,243,275.66/1,715,717.88 = 699,411.84/x
  3. Step 3: Cross multiply
    1,243,275.66x = 1,715,717.88 × 699,411.84
  4. Step 4: Simplify right side
    1,243,275.66x = 1,199,993,399,371.70
  5. Step 5: Solve for x
    x = 1,199,993,399,371.70/1,243,275.66
  6. Step 6: Final answer
    x = 965,186.92

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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.