Home / 914,376.71-1,261,720.31-527,206.62

Finding the Fourth Proportional to 914,376.71, 1,261,720.31 and 527,206.62

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Solution

The fourth proportional to 914,376.71, 1,261,720.31 and 527,206.62 is: 727,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,376.71 : 1,261,720.31 = 527,206.62 : x
  2. Step 2: Convert to fraction form
    914,376.71/1,261,720.31 = 527,206.62/x
  3. Step 3: Cross multiply
    914,376.71x = 1,261,720.31 × 527,206.62
  4. Step 4: Simplify right side
    914,376.71x = 665,187,297,384.42
  5. Step 5: Solve for x
    x = 665,187,297,384.42/914,376.71
  6. Step 6: Final answer
    x = 727,476.21

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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.