Home / 683,663.14-943,474.20-377,759.20

Finding the Fourth Proportional to 683,663.14, 943,474.20 and 377,759.20

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Solution

The fourth proportional to 683,663.14, 943,474.20 and 377,759.20 is: 521,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,663.14 : 943,474.20 = 377,759.20 : x
  2. Step 2: Convert to fraction form
    683,663.14/943,474.20 = 377,759.20/x
  3. Step 3: Cross multiply
    683,663.14x = 943,474.20 × 377,759.20
  4. Step 4: Simplify right side
    683,663.14x = 356,406,059,012.64
  5. Step 5: Solve for x
    x = 356,406,059,012.64/683,663.14
  6. Step 6: Final answer
    x = 521,318.23

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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.