Home / 1,580,923.10-2,181,679.18-855,770.60

Finding the Fourth Proportional to 1,580,923.10, 2,181,679.18 and 855,770.60

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Solution

The fourth proportional to 1,580,923.10, 2,181,679.18 and 855,770.60 is: 1,180,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,923.10 : 2,181,679.18 = 855,770.60 : x
  2. Step 2: Convert to fraction form
    1,580,923.10/2,181,679.18 = 855,770.60/x
  3. Step 3: Cross multiply
    1,580,923.10x = 2,181,679.18 × 855,770.60
  4. Step 4: Simplify right side
    1,580,923.10x = 1,867,016,900,876.11
  5. Step 5: Solve for x
    x = 1,867,016,900,876.11/1,580,923.10
  6. Step 6: Final answer
    x = 1,180,966.30

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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.