Home / 2,631,868.80-3,947,803.20-637,324.80

Finding the Fourth Proportional to 2,631,868.80, 3,947,803.20 and 637,324.80

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Solution

The fourth proportional to 2,631,868.80, 3,947,803.20 and 637,324.80 is: 955,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,868.80 : 3,947,803.20 = 637,324.80 : x
  2. Step 2: Convert to fraction form
    2,631,868.80/3,947,803.20 = 637,324.80/x
  3. Step 3: Cross multiply
    2,631,868.80x = 3,947,803.20 × 637,324.80
  4. Step 4: Simplify right side
    2,631,868.80x = 2,516,032,884,879.36
  5. Step 5: Solve for x
    x = 2,516,032,884,879.36/2,631,868.80
  6. Step 6: Final answer
    x = 955,987.20

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Double scale
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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.