Home / 1,228,020.32-1,833,395.96-938,315.76

Finding the Fourth Proportional to 1,228,020.32, 1,833,395.96 and 938,315.76

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Solution

The fourth proportional to 1,228,020.32, 1,833,395.96 and 938,315.76 is: 1,400,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,020.32 : 1,833,395.96 = 938,315.76 : x
  2. Step 2: Convert to fraction form
    1,228,020.32/1,833,395.96 = 938,315.76/x
  3. Step 3: Cross multiply
    1,228,020.32x = 1,833,395.96 × 938,315.76
  4. Step 4: Simplify right side
    1,228,020.32x = 1,720,304,325,934.12
  5. Step 5: Solve for x
    x = 1,720,304,325,934.12/1,228,020.32
  6. Step 6: Final answer
    x = 1,400,876.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.