Home / 1,248,186.53-1,722,491.57-675,221.69

Finding the Fourth Proportional to 1,248,186.53, 1,722,491.57 and 675,221.69

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Solution

The fourth proportional to 1,248,186.53, 1,722,491.57 and 675,221.69 is: 931,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,186.53 : 1,722,491.57 = 675,221.69 : x
  2. Step 2: Convert to fraction form
    1,248,186.53/1,722,491.57 = 675,221.69/x
  3. Step 3: Cross multiply
    1,248,186.53x = 1,722,491.57 × 675,221.69
  4. Step 4: Simplify right side
    1,248,186.53x = 1,163,063,656,917.59
  5. Step 5: Solve for x
    x = 1,163,063,656,917.59/1,248,186.53
  6. Step 6: Final answer
    x = 931,802.77

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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.