Home / 831,721.46-1,248,282.02-779,233.46

Finding the Fourth Proportional to 831,721.46, 1,248,282.02 and 779,233.46

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Solution

The fourth proportional to 831,721.46, 1,248,282.02 and 779,233.46 is: 1,169,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,721.46 : 1,248,282.02 = 779,233.46 : x
  2. Step 2: Convert to fraction form
    831,721.46/1,248,282.02 = 779,233.46/x
  3. Step 3: Cross multiply
    831,721.46x = 1,248,282.02 × 779,233.46
  4. Step 4: Simplify right side
    831,721.46x = 972,703,113,207.06
  5. Step 5: Solve for x
    x = 972,703,113,207.06/831,721.46
  6. Step 6: Final answer
    x = 1,169,505.86

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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.