Home / 706,077.20-1,059,115.80-648,016.40

Finding the Fourth Proportional to 706,077.20, 1,059,115.80 and 648,016.40

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Solution

The fourth proportional to 706,077.20, 1,059,115.80 and 648,016.40 is: 972,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,077.20 : 1,059,115.80 = 648,016.40 : x
  2. Step 2: Convert to fraction form
    706,077.20/1,059,115.80 = 648,016.40/x
  3. Step 3: Cross multiply
    706,077.20x = 1,059,115.80 × 648,016.40
  4. Step 4: Simplify right side
    706,077.20x = 686,324,407,899.12
  5. Step 5: Solve for x
    x = 686,324,407,899.12/706,077.20
  6. Step 6: Final answer
    x = 972,024.60

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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.