Home / 893,733.09-1,233,342.89-485,810.66

Finding the Fourth Proportional to 893,733.09, 1,233,342.89 and 485,810.66

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Solution

The fourth proportional to 893,733.09, 1,233,342.89 and 485,810.66 is: 670,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,733.09 : 1,233,342.89 = 485,810.66 : x
  2. Step 2: Convert to fraction form
    893,733.09/1,233,342.89 = 485,810.66/x
  3. Step 3: Cross multiply
    893,733.09x = 1,233,342.89 × 485,810.66
  4. Step 4: Simplify right side
    893,733.09x = 599,171,127,695.09
  5. Step 5: Solve for x
    x = 599,171,127,695.09/893,733.09
  6. Step 6: Final answer
    x = 670,413.95

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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.