Home / 817,838.77-1,227,864.41-564,489.37

Finding the Fourth Proportional to 817,838.77, 1,227,864.41 and 564,489.37

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Solution

The fourth proportional to 817,838.77, 1,227,864.41 and 564,489.37 is: 847,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,838.77 : 1,227,864.41 = 564,489.37 : x
  2. Step 2: Convert to fraction form
    817,838.77/1,227,864.41 = 564,489.37/x
  3. Step 3: Cross multiply
    817,838.77x = 1,227,864.41 × 564,489.37
  4. Step 4: Simplify right side
    817,838.77x = 693,116,407,246.32
  5. Step 5: Solve for x
    x = 693,116,407,246.32/817,838.77
  6. Step 6: Final answer
    x = 847,497.62

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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.