Home / 377,656.93-521,178.30-205,586.35

Finding the Fourth Proportional to 377,656.93, 521,178.30 and 205,586.35

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Solution

The fourth proportional to 377,656.93, 521,178.30 and 205,586.35 is: 283,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,656.93 : 521,178.30 = 205,586.35 : x
  2. Step 2: Convert to fraction form
    377,656.93/521,178.30 = 205,586.35/x
  3. Step 3: Cross multiply
    377,656.93x = 521,178.30 × 205,586.35
  4. Step 4: Simplify right side
    377,656.93x = 107,147,144,396.21
  5. Step 5: Solve for x
    x = 107,147,144,396.21/377,656.93
  6. Step 6: Final answer
    x = 283,715.55

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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.