Home / 1,272,761.64-1,756,417.57-699,838.65

Finding the Fourth Proportional to 1,272,761.64, 1,756,417.57 and 699,838.65

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Solution

The fourth proportional to 1,272,761.64, 1,756,417.57 and 699,838.65 is: 965,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,761.64 : 1,756,417.57 = 699,838.65 : x
  2. Step 2: Convert to fraction form
    1,272,761.64/1,756,417.57 = 699,838.65/x
  3. Step 3: Cross multiply
    1,272,761.64x = 1,756,417.57 × 699,838.65
  4. Step 4: Simplify right side
    1,272,761.64x = 1,229,208,899,275.48
  5. Step 5: Solve for x
    x = 1,229,208,899,275.48/1,272,761.64
  6. Step 6: Final answer
    x = 965,780.91

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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.