Home / 724,274.91-999,683.10-494,925.03

Finding the Fourth Proportional to 724,274.91, 999,683.10 and 494,925.03

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Solution

The fourth proportional to 724,274.91, 999,683.10 and 494,925.03 is: 683,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,274.91 : 999,683.10 = 494,925.03 : x
  2. Step 2: Convert to fraction form
    724,274.91/999,683.10 = 494,925.03/x
  3. Step 3: Cross multiply
    724,274.91x = 999,683.10 × 494,925.03
  4. Step 4: Simplify right side
    724,274.91x = 494,768,188,257.99
  5. Step 5: Solve for x
    x = 494,768,188,257.99/724,274.91
  6. Step 6: Final answer
    x = 683,122.09

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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.