Home / 752,257.16-1,128,393.03-191,291.66

Finding the Fourth Proportional to 752,257.16, 1,128,393.03 and 191,291.66

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Solution

The fourth proportional to 752,257.16, 1,128,393.03 and 191,291.66 is: 286,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,257.16 : 1,128,393.03 = 191,291.66 : x
  2. Step 2: Convert to fraction form
    752,257.16/1,128,393.03 = 191,291.66/x
  3. Step 3: Cross multiply
    752,257.16x = 1,128,393.03 × 191,291.66
  4. Step 4: Simplify right side
    752,257.16x = 215,852,175,841.13
  5. Step 5: Solve for x
    x = 215,852,175,841.13/752,257.16
  6. Step 6: Final answer
    x = 286,939.34

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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.