Home / 602,926.24-831,867.60-388,190.56

Finding the Fourth Proportional to 602,926.24, 831,867.60 and 388,190.56

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Solution

The fourth proportional to 602,926.24, 831,867.60 and 388,190.56 is: 535,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,926.24 : 831,867.60 = 388,190.56 : x
  2. Step 2: Convert to fraction form
    602,926.24/831,867.60 = 388,190.56/x
  3. Step 3: Cross multiply
    602,926.24x = 831,867.60 × 388,190.56
  4. Step 4: Simplify right side
    602,926.24x = 322,923,149,489.86
  5. Step 5: Solve for x
    x = 322,923,149,489.86/602,926.24
  6. Step 6: Final answer
    x = 535,593.13

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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.