Home / 1,001,924.37-1,381,717.85-639,582.21

Finding the Fourth Proportional to 1,001,924.37, 1,381,717.85 and 639,582.21

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Solution

The fourth proportional to 1,001,924.37, 1,381,717.85 and 639,582.21 is: 882,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,924.37 : 1,381,717.85 = 639,582.21 : x
  2. Step 2: Convert to fraction form
    1,001,924.37/1,381,717.85 = 639,582.21/x
  3. Step 3: Cross multiply
    1,001,924.37x = 1,381,717.85 × 639,582.21
  4. Step 4: Simplify right side
    1,001,924.37x = 883,722,152,901.54
  5. Step 5: Solve for x
    x = 883,722,152,901.54/1,001,924.37
  6. Step 6: Final answer
    x = 882,024.81

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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.