Home / 460,601.68-690,927.24-145,083.28

Finding the Fourth Proportional to 460,601.68, 690,927.24 and 145,083.28

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Solution

The fourth proportional to 460,601.68, 690,927.24 and 145,083.28 is: 217,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,601.68 : 690,927.24 = 145,083.28 : x
  2. Step 2: Convert to fraction form
    460,601.68/690,927.24 = 145,083.28/x
  3. Step 3: Cross multiply
    460,601.68x = 690,927.24 × 145,083.28
  4. Step 4: Simplify right side
    460,601.68x = 100,241,990,220.55
  5. Step 5: Solve for x
    x = 100,241,990,220.55/460,601.68
  6. Step 6: Final answer
    x = 217,632.71

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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.