Home / 949,083.10-1,309,734.54-519,363.12

Finding the Fourth Proportional to 949,083.10, 1,309,734.54 and 519,363.12

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Solution

The fourth proportional to 949,083.10, 1,309,734.54 and 519,363.12 is: 716,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,083.10 : 1,309,734.54 = 519,363.12 : x
  2. Step 2: Convert to fraction form
    949,083.10/1,309,734.54 = 519,363.12/x
  3. Step 3: Cross multiply
    949,083.10x = 1,309,734.54 × 519,363.12
  4. Step 4: Simplify right side
    949,083.10x = 680,227,817,066.17
  5. Step 5: Solve for x
    x = 680,227,817,066.17/949,083.10
  6. Step 6: Final answer
    x = 716,721.03

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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.