Home / 1,118,673.39-1,543,761.40-609,375.77

Finding the Fourth Proportional to 1,118,673.39, 1,543,761.40 and 609,375.77

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Solution

The fourth proportional to 1,118,673.39, 1,543,761.40 and 609,375.77 is: 840,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,673.39 : 1,543,761.40 = 609,375.77 : x
  2. Step 2: Convert to fraction form
    1,118,673.39/1,543,761.40 = 609,375.77/x
  3. Step 3: Cross multiply
    1,118,673.39x = 1,543,761.40 × 609,375.77
  4. Step 4: Simplify right side
    1,118,673.39x = 940,730,791,821.28
  5. Step 5: Solve for x
    x = 940,730,791,821.28/1,118,673.39
  6. Step 6: Final answer
    x = 840,934.27

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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.