Home / 1,177,700.18-1,766,551.05-378,981.56

Finding the Fourth Proportional to 1,177,700.18, 1,766,551.05 and 378,981.56

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Solution

The fourth proportional to 1,177,700.18, 1,766,551.05 and 378,981.56 is: 568,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,700.18 : 1,766,551.05 = 378,981.56 : x
  2. Step 2: Convert to fraction form
    1,177,700.18/1,766,551.05 = 378,981.56/x
  3. Step 3: Cross multiply
    1,177,700.18x = 1,766,551.05 × 378,981.56
  4. Step 4: Simplify right side
    1,177,700.18x = 669,490,272,748.64
  5. Step 5: Solve for x
    x = 669,490,272,748.64/1,177,700.18
  6. Step 6: Final answer
    x = 568,472.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.