Home / 683,931.60-943,796.28-377,992.20

Finding the Fourth Proportional to 683,931.60, 943,796.28 and 377,992.20

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Solution

The fourth proportional to 683,931.60, 943,796.28 and 377,992.20 is: 521,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,931.60 : 943,796.28 = 377,992.20 : x
  2. Step 2: Convert to fraction form
    683,931.60/943,796.28 = 377,992.20/x
  3. Step 3: Cross multiply
    683,931.60x = 943,796.28 × 377,992.20
  4. Step 4: Simplify right side
    683,931.60x = 356,747,632,229.02
  5. Step 5: Solve for x
    x = 356,747,632,229.02/683,931.60
  6. Step 6: Final answer
    x = 521,613.03

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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.