Home / 683,865.20-943,684.48-377,937.92

Finding the Fourth Proportional to 683,865.20, 943,684.48 and 377,937.92

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Solution

The fourth proportional to 683,865.20, 943,684.48 and 377,937.92 is: 521,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,865.20 : 943,684.48 = 377,937.92 : x
  2. Step 2: Convert to fraction form
    683,865.20/943,684.48 = 377,937.92/x
  3. Step 3: Cross multiply
    683,865.20x = 943,684.48 × 377,937.92
  4. Step 4: Simplify right side
    683,865.20x = 356,654,149,507.48
  5. Step 5: Solve for x
    x = 356,654,149,507.48/683,865.20
  6. Step 6: Final answer
    x = 521,526.98

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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.