Home / 717,753.46-1,076,787.84-212,275.03

Finding the Fourth Proportional to 717,753.46, 1,076,787.84 and 212,275.03

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Solution

The fourth proportional to 717,753.46, 1,076,787.84 and 212,275.03 is: 318,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,753.46 : 1,076,787.84 = 212,275.03 : x
  2. Step 2: Convert to fraction form
    717,753.46/1,076,787.84 = 212,275.03/x
  3. Step 3: Cross multiply
    717,753.46x = 1,076,787.84 × 212,275.03
  4. Step 4: Simplify right side
    717,753.46x = 228,575,173,674.17
  5. Step 5: Solve for x
    x = 228,575,173,674.17/717,753.46
  6. Step 6: Final answer
    x = 318,459.17

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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.