Home / 1,225,422.76-1,691,053.84-681,556.92

Finding the Fourth Proportional to 1,225,422.76, 1,691,053.84 and 681,556.92

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Solution

The fourth proportional to 1,225,422.76, 1,691,053.84 and 681,556.92 is: 940,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,422.76 : 1,691,053.84 = 681,556.92 : x
  2. Step 2: Convert to fraction form
    1,225,422.76/1,691,053.84 = 681,556.92/x
  3. Step 3: Cross multiply
    1,225,422.76x = 1,691,053.84 × 681,556.92
  4. Step 4: Simplify right side
    1,225,422.76x = 1,152,549,446,744.57
  5. Step 5: Solve for x
    x = 1,152,549,446,744.57/1,225,422.76
  6. Step 6: Final answer
    x = 940,532.10

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Double scale
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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.