Home / 2,153,187.40-3,229,781.10-657,279.40

Finding the Fourth Proportional to 2,153,187.40, 3,229,781.10 and 657,279.40

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Solution

The fourth proportional to 2,153,187.40, 3,229,781.10 and 657,279.40 is: 985,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,187.40 : 3,229,781.10 = 657,279.40 : x
  2. Step 2: Convert to fraction form
    2,153,187.40/3,229,781.10 = 657,279.40/x
  3. Step 3: Cross multiply
    2,153,187.40x = 3,229,781.10 × 657,279.40
  4. Step 4: Simplify right side
    2,153,187.40x = 2,122,868,583,539.34
  5. Step 5: Solve for x
    x = 2,122,868,583,539.34/2,153,187.40
  6. Step 6: Final answer
    x = 985,919.10

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Similar ratio
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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.