Home / 717,626.02-1,076,590.90-212,147.14

Finding the Fourth Proportional to 717,626.02, 1,076,590.90 and 212,147.14

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Solution

The fourth proportional to 717,626.02, 1,076,590.90 and 212,147.14 is: 318,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,626.02 : 1,076,590.90 = 212,147.14 : x
  2. Step 2: Convert to fraction form
    717,626.02/1,076,590.90 = 212,147.14/x
  3. Step 3: Cross multiply
    717,626.02x = 1,076,590.90 × 212,147.14
  4. Step 4: Simplify right side
    717,626.02x = 228,395,680,385.03
  5. Step 5: Solve for x
    x = 228,395,680,385.03/717,626.02
  6. Step 6: Final answer
    x = 318,265.61

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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.