Home / 1,208,176.59-1,811,133.03-408,898.56

Finding the Fourth Proportional to 1,208,176.59, 1,811,133.03 and 408,898.56

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Solution

The fourth proportional to 1,208,176.59, 1,811,133.03 and 408,898.56 is: 612,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,176.59 : 1,811,133.03 = 408,898.56 : x
  2. Step 2: Convert to fraction form
    1,208,176.59/1,811,133.03 = 408,898.56/x
  3. Step 3: Cross multiply
    1,208,176.59x = 1,811,133.03 × 408,898.56
  4. Step 4: Simplify right side
    1,208,176.59x = 740,569,687,935.44
  5. Step 5: Solve for x
    x = 740,569,687,935.44/1,208,176.59
  6. Step 6: Final answer
    x = 612,964.77

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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.