Home / 623,221.20-934,702.20-268,246.80

Finding the Fourth Proportional to 623,221.20, 934,702.20 and 268,246.80

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Solution

The fourth proportional to 623,221.20, 934,702.20 and 268,246.80 is: 402,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,221.20 : 934,702.20 = 268,246.80 : x
  2. Step 2: Convert to fraction form
    623,221.20/934,702.20 = 268,246.80/x
  3. Step 3: Cross multiply
    623,221.20x = 934,702.20 × 268,246.80
  4. Step 4: Simplify right side
    623,221.20x = 250,730,874,102.96
  5. Step 5: Solve for x
    x = 250,730,874,102.96/623,221.20
  6. Step 6: Final answer
    x = 402,314.42

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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.