Home / 725,329.46-1,000,934.77-403,031.27

Finding the Fourth Proportional to 725,329.46, 1,000,934.77 and 403,031.27

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Solution

The fourth proportional to 725,329.46, 1,000,934.77 and 403,031.27 is: 556,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,329.46 : 1,000,934.77 = 403,031.27 : x
  2. Step 2: Convert to fraction form
    725,329.46/1,000,934.77 = 403,031.27/x
  3. Step 3: Cross multiply
    725,329.46x = 1,000,934.77 × 403,031.27
  4. Step 4: Simplify right side
    725,329.46x = 403,408,011,540.26
  5. Step 5: Solve for x
    x = 403,408,011,540.26/725,329.46
  6. Step 6: Final answer
    x = 556,172.10

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1.5x scale

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.