Home / 949,115.02-1,309,778.74-519,395.16

Finding the Fourth Proportional to 949,115.02, 1,309,778.74 and 519,395.16

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Solution

The fourth proportional to 949,115.02, 1,309,778.74 and 519,395.16 is: 716,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,115.02 : 1,309,778.74 = 519,395.16 : x
  2. Step 2: Convert to fraction form
    949,115.02/1,309,778.74 = 519,395.16/x
  3. Step 3: Cross multiply
    949,115.02x = 1,309,778.74 × 519,395.16
  4. Step 4: Simplify right side
    949,115.02x = 680,292,738,226.90
  5. Step 5: Solve for x
    x = 680,292,738,226.90/949,115.02
  6. Step 6: Final answer
    x = 716,765.33

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Double scale
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1.5x scale

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.