Home / 855,104.19-1,179,529.64-564,718.43

Finding the Fourth Proportional to 855,104.19, 1,179,529.64 and 564,718.43

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Solution

The fourth proportional to 855,104.19, 1,179,529.64 and 564,718.43 is: 778,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,104.19 : 1,179,529.64 = 564,718.43 : x
  2. Step 2: Convert to fraction form
    855,104.19/1,179,529.64 = 564,718.43/x
  3. Step 3: Cross multiply
    855,104.19x = 1,179,529.64 × 564,718.43
  4. Step 4: Simplify right side
    855,104.19x = 666,102,117,718.03
  5. Step 5: Solve for x
    x = 666,102,117,718.03/855,104.19
  6. Step 6: Final answer
    x = 778,971.88

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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.