Home / 949,053.13-1,309,693.29-519,333.31

Finding the Fourth Proportional to 949,053.13, 1,309,693.29 and 519,333.31

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Solution

The fourth proportional to 949,053.13, 1,309,693.29 and 519,333.31 is: 716,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,053.13 : 1,309,693.29 = 519,333.31 : x
  2. Step 2: Convert to fraction form
    949,053.13/1,309,693.29 = 519,333.31/x
  3. Step 3: Cross multiply
    949,053.13x = 1,309,693.29 × 519,333.31
  4. Step 4: Simplify right side
    949,053.13x = 680,167,351,380.49
  5. Step 5: Solve for x
    x = 680,167,351,380.49/949,053.13
  6. Step 6: Final answer
    x = 716,679.95

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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.