Home / 842,066.20-1,266,209.70-705,208.60

Finding the Fourth Proportional to 842,066.20, 1,266,209.70 and 705,208.60

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Solution

The fourth proportional to 842,066.20, 1,266,209.70 and 705,208.60 is: 1,060,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,066.20 : 1,266,209.70 = 705,208.60 : x
  2. Step 2: Convert to fraction form
    842,066.20/1,266,209.70 = 705,208.60/x
  3. Step 3: Cross multiply
    842,066.20x = 1,266,209.70 × 705,208.60
  4. Step 4: Simplify right side
    842,066.20x = 892,941,969,843.42
  5. Step 5: Solve for x
    x = 892,941,969,843.42/842,066.20
  6. Step 6: Final answer
    x = 1,060,417.78

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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.