Home / 1,178,618.72-1,766,974.58-368,586.38

Finding the Fourth Proportional to 1,178,618.72, 1,766,974.58 and 368,586.38

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Solution

The fourth proportional to 1,178,618.72, 1,766,974.58 and 368,586.38 is: 552,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,618.72 : 1,766,974.58 = 368,586.38 : x
  2. Step 2: Convert to fraction form
    1,178,618.72/1,766,974.58 = 368,586.38/x
  3. Step 3: Cross multiply
    1,178,618.72x = 1,766,974.58 × 368,586.38
  4. Step 4: Simplify right side
    1,178,618.72x = 651,282,762,151.29
  5. Step 5: Solve for x
    x = 651,282,762,151.29/1,178,618.72
  6. Step 6: Final answer
    x = 552,581.39

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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.