Home / 949,116.64-1,309,778.56-519,393.01

Finding the Fourth Proportional to 949,116.64, 1,309,778.56 and 519,393.01

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Solution

The fourth proportional to 949,116.64, 1,309,778.56 and 519,393.01 is: 716,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,116.64 : 1,309,778.56 = 519,393.01 : x
  2. Step 2: Convert to fraction form
    949,116.64/1,309,778.56 = 519,393.01/x
  3. Step 3: Cross multiply
    949,116.64x = 1,309,778.56 × 519,393.01
  4. Step 4: Simplify right side
    949,116.64x = 680,289,828,711.87
  5. Step 5: Solve for x
    x = 680,289,828,711.87/949,116.64
  6. Step 6: Final answer
    x = 716,761.04

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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.