Home / 1,274,531.72-1,757,957.83-838,810.22

Finding the Fourth Proportional to 1,274,531.72, 1,757,957.83 and 838,810.22

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Solution

The fourth proportional to 1,274,531.72, 1,757,957.83 and 838,810.22 is: 1,156,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,531.72 : 1,757,957.83 = 838,810.22 : x
  2. Step 2: Convert to fraction form
    1,274,531.72/1,757,957.83 = 838,810.22/x
  3. Step 3: Cross multiply
    1,274,531.72x = 1,757,957.83 × 838,810.22
  4. Step 4: Simplify right side
    1,274,531.72x = 1,474,592,983,246.21
  5. Step 5: Solve for x
    x = 1,474,592,983,246.21/1,274,531.72
  6. Step 6: Final answer
    x = 1,156,968.45

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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.