Home / 949,079.06-1,309,729.23-519,359.28

Finding the Fourth Proportional to 949,079.06, 1,309,729.23 and 519,359.28

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Solution

The fourth proportional to 949,079.06, 1,309,729.23 and 519,359.28 is: 716,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,079.06 : 1,309,729.23 = 519,359.28 : x
  2. Step 2: Convert to fraction form
    949,079.06/1,309,729.23 = 519,359.28/x
  3. Step 3: Cross multiply
    949,079.06x = 1,309,729.23 × 519,359.28
  4. Step 4: Simplify right side
    949,079.06x = 680,220,029,887.75
  5. Step 5: Solve for x
    x = 680,220,029,887.75/949,079.06
  6. Step 6: Final answer
    x = 716,715.88

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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.