Home / 738,632.68-1,019,086.50-451,853.80

Finding the Fourth Proportional to 738,632.68, 1,019,086.50 and 451,853.80

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Solution

The fourth proportional to 738,632.68, 1,019,086.50 and 451,853.80 is: 623,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,632.68 : 1,019,086.50 = 451,853.80 : x
  2. Step 2: Convert to fraction form
    738,632.68/1,019,086.50 = 451,853.80/x
  3. Step 3: Cross multiply
    738,632.68x = 1,019,086.50 × 451,853.80
  4. Step 4: Simplify right side
    738,632.68x = 460,478,107,553.70
  5. Step 5: Solve for x
    x = 460,478,107,553.70/738,632.68
  6. Step 6: Final answer
    x = 623,419.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.