Home / 803,868.88-1,205,987.28-348,536.20

Finding the Fourth Proportional to 803,868.88, 1,205,987.28 and 348,536.20

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Solution

The fourth proportional to 803,868.88, 1,205,987.28 and 348,536.20 is: 522,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,868.88 : 1,205,987.28 = 348,536.20 : x
  2. Step 2: Convert to fraction form
    803,868.88/1,205,987.28 = 348,536.20/x
  3. Step 3: Cross multiply
    803,868.88x = 1,205,987.28 × 348,536.20
  4. Step 4: Simplify right side
    803,868.88x = 420,330,223,819.54
  5. Step 5: Solve for x
    x = 420,330,223,819.54/803,868.88
  6. Step 6: Final answer
    x = 522,884.06

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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.