Home / 766,474.04-1,150,203.12-514,039.60

Finding the Fourth Proportional to 766,474.04, 1,150,203.12 and 514,039.60

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Solution

The fourth proportional to 766,474.04, 1,150,203.12 and 514,039.60 is: 771,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,474.04 : 1,150,203.12 = 514,039.60 : x
  2. Step 2: Convert to fraction form
    766,474.04/1,150,203.12 = 514,039.60/x
  3. Step 3: Cross multiply
    766,474.04x = 1,150,203.12 × 514,039.60
  4. Step 4: Simplify right side
    766,474.04x = 591,249,951,723.55
  5. Step 5: Solve for x
    x = 591,249,951,723.55/766,474.04
  6. Step 6: Final answer
    x = 771,389.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.