Home / 755,696.40-1,132,560.45-306,049.20

Finding the Fourth Proportional to 755,696.40, 1,132,560.45 and 306,049.20

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Solution

The fourth proportional to 755,696.40, 1,132,560.45 and 306,049.20 is: 458,675.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,696.40 : 1,132,560.45 = 306,049.20 : x
  2. Step 2: Convert to fraction form
    755,696.40/1,132,560.45 = 306,049.20/x
  3. Step 3: Cross multiply
    755,696.40x = 1,132,560.45 × 306,049.20
  4. Step 4: Simplify right side
    755,696.40x = 346,619,219,674.14
  5. Step 5: Solve for x
    x = 346,619,219,674.14/755,696.40
  6. Step 6: Final answer
    x = 458,675.23

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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.