Home / 855,102.69-1,179,527.57-564,716.93

Finding the Fourth Proportional to 855,102.69, 1,179,527.57 and 564,716.93

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Solution

The fourth proportional to 855,102.69, 1,179,527.57 and 564,716.93 is: 778,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,102.69 : 1,179,527.57 = 564,716.93 : x
  2. Step 2: Convert to fraction form
    855,102.69/1,179,527.57 = 564,716.93/x
  3. Step 3: Cross multiply
    855,102.69x = 1,179,527.57 × 564,716.93
  4. Step 4: Simplify right side
    855,102.69x = 666,099,185,357.18
  5. Step 5: Solve for x
    x = 666,099,185,357.18/855,102.69
  6. Step 6: Final answer
    x = 778,969.82

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Double scale
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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.