Home / 683,643.61-943,438.07-377,727.03

Finding the Fourth Proportional to 683,643.61, 943,438.07 and 377,727.03

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Solution

The fourth proportional to 683,643.61, 943,438.07 and 377,727.03 is: 521,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,643.61 : 943,438.07 = 377,727.03 : x
  2. Step 2: Convert to fraction form
    683,643.61/943,438.07 = 377,727.03/x
  3. Step 3: Cross multiply
    683,643.61x = 943,438.07 × 377,727.03
  4. Step 4: Simplify right side
    683,643.61x = 356,362,060,170.03
  5. Step 5: Solve for x
    x = 356,362,060,170.03/683,643.61
  6. Step 6: Final answer
    x = 521,268.76

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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.