Home / 2,153,743.20-3,230,614.80-657,640.80

Finding the Fourth Proportional to 2,153,743.20, 3,230,614.80 and 657,640.80

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Solution

The fourth proportional to 2,153,743.20, 3,230,614.80 and 657,640.80 is: 986,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,743.20 : 3,230,614.80 = 657,640.80 : x
  2. Step 2: Convert to fraction form
    2,153,743.20/3,230,614.80 = 657,640.80/x
  3. Step 3: Cross multiply
    2,153,743.20x = 3,230,614.80 × 657,640.80
  4. Step 4: Simplify right side
    2,153,743.20x = 2,124,584,101,563.84
  5. Step 5: Solve for x
    x = 2,124,584,101,563.84/2,153,743.20
  6. Step 6: Final answer
    x = 986,461.20

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Similar ratio
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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.