Home / 725,008.59-1,085,857.20-346,195.98

Finding the Fourth Proportional to 725,008.59, 1,085,857.20 and 346,195.98

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Solution

The fourth proportional to 725,008.59, 1,085,857.20 and 346,195.98 is: 518,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,008.59 : 1,085,857.20 = 346,195.98 : x
  2. Step 2: Convert to fraction form
    725,008.59/1,085,857.20 = 346,195.98/x
  3. Step 3: Cross multiply
    725,008.59x = 1,085,857.20 × 346,195.98
  4. Step 4: Simplify right side
    725,008.59x = 375,919,401,521.71
  5. Step 5: Solve for x
    x = 375,919,401,521.71/725,008.59
  6. Step 6: Final answer
    x = 518,503.38

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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.