Home / 688,200.10-1,032,299.67-214,926.02

Finding the Fourth Proportional to 688,200.10, 1,032,299.67 and 214,926.02

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Solution

The fourth proportional to 688,200.10, 1,032,299.67 and 214,926.02 is: 322,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,200.10 : 1,032,299.67 = 214,926.02 : x
  2. Step 2: Convert to fraction form
    688,200.10/1,032,299.67 = 214,926.02/x
  3. Step 3: Cross multiply
    688,200.10x = 1,032,299.67 × 214,926.02
  4. Step 4: Simplify right side
    688,200.10x = 221,868,059,520.41
  5. Step 5: Solve for x
    x = 221,868,059,520.41/688,200.10
  6. Step 6: Final answer
    x = 322,388.88

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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.