Home / 623,311.20-934,621.20-268,264.80

Finding the Fourth Proportional to 623,311.20, 934,621.20 and 268,264.80

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Solution

The fourth proportional to 623,311.20, 934,621.20 and 268,264.80 is: 402,248.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,311.20 : 934,621.20 = 268,264.80 : x
  2. Step 2: Convert to fraction form
    623,311.20/934,621.20 = 268,264.80/x
  3. Step 3: Cross multiply
    623,311.20x = 934,621.20 × 268,264.80
  4. Step 4: Simplify right side
    623,311.20x = 250,725,969,293.76
  5. Step 5: Solve for x
    x = 250,725,969,293.76/623,311.20
  6. Step 6: Final answer
    x = 402,248.46

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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.