Home / 873,427.25-1,205,802.71-612,583.61

Finding the Fourth Proportional to 873,427.25, 1,205,802.71 and 612,583.61

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Solution

The fourth proportional to 873,427.25, 1,205,802.71 and 612,583.61 is: 845,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,427.25 : 1,205,802.71 = 612,583.61 : x
  2. Step 2: Convert to fraction form
    873,427.25/1,205,802.71 = 612,583.61/x
  3. Step 3: Cross multiply
    873,427.25x = 1,205,802.71 × 612,583.61
  4. Step 4: Simplify right side
    873,427.25x = 738,654,967,947.65
  5. Step 5: Solve for x
    x = 738,654,967,947.65/873,427.25
  6. Step 6: Final answer
    x = 845,697.19

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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.