Home / 623,212.20-934,688.70-268,237.80

Finding the Fourth Proportional to 623,212.20, 934,688.70 and 268,237.80

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Solution

The fourth proportional to 623,212.20, 934,688.70 and 268,237.80 is: 402,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,212.20 : 934,688.70 = 268,237.80 : x
  2. Step 2: Convert to fraction form
    623,212.20/934,688.70 = 268,237.80/x
  3. Step 3: Cross multiply
    623,212.20x = 934,688.70 × 268,237.80
  4. Step 4: Simplify right side
    623,212.20x = 250,718,840,572.86
  5. Step 5: Solve for x
    x = 250,718,840,572.86/623,212.20
  6. Step 6: Final answer
    x = 402,300.92

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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.