Home / 1,112,543.29-1,535,339.92-629,180.71

Finding the Fourth Proportional to 1,112,543.29, 1,535,339.92 and 629,180.71

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Solution

The fourth proportional to 1,112,543.29, 1,535,339.92 and 629,180.71 is: 868,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,543.29 : 1,535,339.92 = 629,180.71 : x
  2. Step 2: Convert to fraction form
    1,112,543.29/1,535,339.92 = 629,180.71/x
  3. Step 3: Cross multiply
    1,112,543.29x = 1,535,339.92 × 629,180.71
  4. Step 4: Simplify right side
    1,112,543.29x = 966,006,266,368.25
  5. Step 5: Solve for x
    x = 966,006,266,368.25/1,112,543.29
  6. Step 6: Final answer
    x = 868,286.46

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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.