Home / 1,290,752.09-1,935,806.22-379,753.26

Finding the Fourth Proportional to 1,290,752.09, 1,935,806.22 and 379,753.26

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Solution

The fourth proportional to 1,290,752.09, 1,935,806.22 and 379,753.26 is: 569,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,752.09 : 1,935,806.22 = 379,753.26 : x
  2. Step 2: Convert to fraction form
    1,290,752.09/1,935,806.22 = 379,753.26/x
  3. Step 3: Cross multiply
    1,290,752.09x = 1,935,806.22 × 379,753.26
  4. Step 4: Simplify right side
    1,290,752.09x = 735,128,722,773.28
  5. Step 5: Solve for x
    x = 735,128,722,773.28/1,290,752.09
  6. Step 6: Final answer
    x = 569,535.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.