Home / 1,432,173.31-1,975,839.80-819,998.91

Finding the Fourth Proportional to 1,432,173.31, 1,975,839.80 and 819,998.91

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Solution

The fourth proportional to 1,432,173.31, 1,975,839.80 and 819,998.91 is: 1,131,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,173.31 : 1,975,839.80 = 819,998.91 : x
  2. Step 2: Convert to fraction form
    1,432,173.31/1,975,839.80 = 819,998.91/x
  3. Step 3: Cross multiply
    1,432,173.31x = 1,975,839.80 × 819,998.91
  4. Step 4: Simplify right side
    1,432,173.31x = 1,620,186,472,455.42
  5. Step 5: Solve for x
    x = 1,620,186,472,455.42/1,432,173.31
  6. Step 6: Final answer
    x = 1,131,278.22

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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.