Home / 805,810.16-1,112,175.79-461,876.46

Finding the Fourth Proportional to 805,810.16, 1,112,175.79 and 461,876.46

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Solution

The fourth proportional to 805,810.16, 1,112,175.79 and 461,876.46 is: 637,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,810.16 : 1,112,175.79 = 461,876.46 : x
  2. Step 2: Convert to fraction form
    805,810.16/1,112,175.79 = 461,876.46/x
  3. Step 3: Cross multiply
    805,810.16x = 1,112,175.79 × 461,876.46
  4. Step 4: Simplify right side
    805,810.16x = 513,687,819,012.57
  5. Step 5: Solve for x
    x = 513,687,819,012.57/805,810.16
  6. Step 6: Final answer
    x = 637,479.95

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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.