Home / 766,667.90-1,057,976.90-440,034.68

Finding the Fourth Proportional to 766,667.90, 1,057,976.90 and 440,034.68

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Solution

The fourth proportional to 766,667.90, 1,057,976.90 and 440,034.68 is: 607,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,667.90 : 1,057,976.90 = 440,034.68 : x
  2. Step 2: Convert to fraction form
    766,667.90/1,057,976.90 = 440,034.68/x
  3. Step 3: Cross multiply
    766,667.90x = 1,057,976.90 × 440,034.68
  4. Step 4: Simplify right side
    766,667.90x = 465,546,526,638.89
  5. Step 5: Solve for x
    x = 465,546,526,638.89/766,667.90
  6. Step 6: Final answer
    x = 607,233.62

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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.