Home / 949,072.11-1,309,719.38-519,352.29

Finding the Fourth Proportional to 949,072.11, 1,309,719.38 and 519,352.29

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Solution

The fourth proportional to 949,072.11, 1,309,719.38 and 519,352.29 is: 716,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,072.11 : 1,309,719.38 = 519,352.29 : x
  2. Step 2: Convert to fraction form
    949,072.11/1,309,719.38 = 519,352.29/x
  3. Step 3: Cross multiply
    949,072.11x = 1,309,719.38 × 519,352.29
  4. Step 4: Simplify right side
    949,072.11x = 680,205,754,010.16
  5. Step 5: Solve for x
    x = 680,205,754,010.16/949,072.11
  6. Step 6: Final answer
    x = 716,706.09

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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.