Home / 743,197.50-1,114,851.85-210,761.42

Finding the Fourth Proportional to 743,197.50, 1,114,851.85 and 210,761.42

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Solution

The fourth proportional to 743,197.50, 1,114,851.85 and 210,761.42 is: 316,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,197.50 : 1,114,851.85 = 210,761.42 : x
  2. Step 2: Convert to fraction form
    743,197.50/1,114,851.85 = 210,761.42/x
  3. Step 3: Cross multiply
    743,197.50x = 1,114,851.85 × 210,761.42
  4. Step 4: Simplify right side
    743,197.50x = 234,967,752,894.46
  5. Step 5: Solve for x
    x = 234,967,752,894.46/743,197.50
  6. Step 6: Final answer
    x = 316,157.89

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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.