Home / 1,137,703.69-1,569,897.33-628,375.69

Finding the Fourth Proportional to 1,137,703.69, 1,569,897.33 and 628,375.69

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Solution

The fourth proportional to 1,137,703.69, 1,569,897.33 and 628,375.69 is: 867,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,703.69 : 1,569,897.33 = 628,375.69 : x
  2. Step 2: Convert to fraction form
    1,137,703.69/1,569,897.33 = 628,375.69/x
  3. Step 3: Cross multiply
    1,137,703.69x = 1,569,897.33 × 628,375.69
  4. Step 4: Simplify right side
    1,137,703.69x = 986,485,317,967.91
  5. Step 5: Solve for x
    x = 986,485,317,967.91/1,137,703.69
  6. Step 6: Final answer
    x = 867,084.57

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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.