Home / 1,001,927.37-1,381,721.99-639,585.21

Finding the Fourth Proportional to 1,001,927.37, 1,381,721.99 and 639,585.21

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Solution

The fourth proportional to 1,001,927.37, 1,381,721.99 and 639,585.21 is: 882,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,927.37 : 1,381,721.99 = 639,585.21 : x
  2. Step 2: Convert to fraction form
    1,001,927.37/1,381,721.99 = 639,585.21/x
  3. Step 3: Cross multiply
    1,001,927.37x = 1,381,721.99 × 639,585.21
  4. Step 4: Simplify right side
    1,001,927.37x = 883,728,945,937.84
  5. Step 5: Solve for x
    x = 883,728,945,937.84/1,001,927.37
  6. Step 6: Final answer
    x = 882,028.95

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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.