Home / 766,784.10-1,149,312.15-367,616.10

Finding the Fourth Proportional to 766,784.10, 1,149,312.15 and 367,616.10

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Solution

The fourth proportional to 766,784.10, 1,149,312.15 and 367,616.10 is: 551,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,784.10 : 1,149,312.15 = 367,616.10 : x
  2. Step 2: Convert to fraction form
    766,784.10/1,149,312.15 = 367,616.10/x
  3. Step 3: Cross multiply
    766,784.10x = 1,149,312.15 × 367,616.10
  4. Step 4: Simplify right side
    766,784.10x = 422,505,650,265.62
  5. Step 5: Solve for x
    x = 422,505,650,265.62/766,784.10
  6. Step 6: Final answer
    x = 551,009.93

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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.