Home / 1,072,760.84-1,609,348.86-407,861

Finding the Fourth Proportional to 1,072,760.84, 1,609,348.86 and 407,861

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Solution

The fourth proportional to 1,072,760.84, 1,609,348.86 and 407,861 is: 611,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,760.84 : 1,609,348.86 = 407,861 : x
  2. Step 2: Convert to fraction form
    1,072,760.84/1,609,348.86 = 407,861/x
  3. Step 3: Cross multiply
    1,072,760.84x = 1,609,348.86 × 407,861
  4. Step 4: Simplify right side
    1,072,760.84x = 656,390,635,388.46
  5. Step 5: Solve for x
    x = 656,390,635,388.46/1,072,760.84
  6. Step 6: Final answer
    x = 611,870.43

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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.