Home / 1,234,801.43-1,852,202.15-813,978.89

Finding the Fourth Proportional to 1,234,801.43, 1,852,202.15 and 813,978.89

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Solution

The fourth proportional to 1,234,801.43, 1,852,202.15 and 813,978.89 is: 1,220,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,801.43 : 1,852,202.15 = 813,978.89 : x
  2. Step 2: Convert to fraction form
    1,234,801.43/1,852,202.15 = 813,978.89/x
  3. Step 3: Cross multiply
    1,234,801.43x = 1,852,202.15 × 813,978.89
  4. Step 4: Simplify right side
    1,234,801.43x = 1,507,653,453,725.65
  5. Step 5: Solve for x
    x = 1,507,653,453,725.65/1,234,801.43
  6. Step 6: Final answer
    x = 1,220,968.34

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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.