Home / 637,974.59-957,149.00-188,707.28

Finding the Fourth Proportional to 637,974.59, 957,149.00 and 188,707.28

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Solution

The fourth proportional to 637,974.59, 957,149.00 and 188,707.28 is: 283,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,974.59 : 957,149.00 = 188,707.28 : x
  2. Step 2: Convert to fraction form
    637,974.59/957,149.00 = 188,707.28/x
  3. Step 3: Cross multiply
    637,974.59x = 957,149.00 × 188,707.28
  4. Step 4: Simplify right side
    637,974.59x = 180,620,987,209.36
  5. Step 5: Solve for x
    x = 180,620,987,209.36/637,974.59
  6. Step 6: Final answer
    x = 283,116.27

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Double scale
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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.