Home / 289,861.28-434,792.16-233,436.80

Finding the Fourth Proportional to 289,861.28, 434,792.16 and 233,436.80

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Solution

The fourth proportional to 289,861.28, 434,792.16 and 233,436.80 is: 350,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,861.28 : 434,792.16 = 233,436.80 : x
  2. Step 2: Convert to fraction form
    289,861.28/434,792.16 = 233,436.80/x
  3. Step 3: Cross multiply
    289,861.28x = 434,792.16 × 233,436.80
  4. Step 4: Simplify right side
    289,861.28x = 101,496,490,495.49
  5. Step 5: Solve for x
    x = 101,496,490,495.49/289,861.28
  6. Step 6: Final answer
    x = 350,155.39

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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.