Home / 949,105.02-1,309,764.94-519,385.16

Finding the Fourth Proportional to 949,105.02, 1,309,764.94 and 519,385.16

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Solution

The fourth proportional to 949,105.02, 1,309,764.94 and 519,385.16 is: 716,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,105.02 : 1,309,764.94 = 519,385.16 : x
  2. Step 2: Convert to fraction form
    949,105.02/1,309,764.94 = 519,385.16/x
  3. Step 3: Cross multiply
    949,105.02x = 1,309,764.94 × 519,385.16
  4. Step 4: Simplify right side
    949,105.02x = 680,272,472,924.29
  5. Step 5: Solve for x
    x = 680,272,472,924.29/949,105.02
  6. Step 6: Final answer
    x = 716,751.53

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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.