Home / 683,436.75-943,138.95-377,534.17

Finding the Fourth Proportional to 683,436.75, 943,138.95 and 377,534.17

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Solution

The fourth proportional to 683,436.75, 943,138.95 and 377,534.17 is: 520,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,436.75 : 943,138.95 = 377,534.17 : x
  2. Step 2: Convert to fraction form
    683,436.75/943,138.95 = 377,534.17/x
  3. Step 3: Cross multiply
    683,436.75x = 943,138.95 × 377,534.17
  4. Step 4: Simplify right side
    683,436.75x = 356,067,180,682.92
  5. Step 5: Solve for x
    x = 356,067,180,682.92/683,436.75
  6. Step 6: Final answer
    x = 520,995.08

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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.