Home / 717,732.80-1,076,599.19-212,254.39

Finding the Fourth Proportional to 717,732.80, 1,076,599.19 and 212,254.39

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Solution

The fourth proportional to 717,732.80, 1,076,599.19 and 212,254.39 is: 318,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,732.80 : 1,076,599.19 = 212,254.39 : x
  2. Step 2: Convert to fraction form
    717,732.80/1,076,599.19 = 212,254.39/x
  3. Step 3: Cross multiply
    717,732.80x = 1,076,599.19 × 212,254.39
  4. Step 4: Simplify right side
    717,732.80x = 228,512,898,964.95
  5. Step 5: Solve for x
    x = 228,512,898,964.95/717,732.80
  6. Step 6: Final answer
    x = 318,381.58

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Similar ratio
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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.