Home / 683,918.92-944,071.50-612,172.36

Finding the Fourth Proportional to 683,918.92, 944,071.50 and 612,172.36

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Solution

The fourth proportional to 683,918.92, 944,071.50 and 612,172.36 is: 845,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,918.92 : 944,071.50 = 612,172.36 : x
  2. Step 2: Convert to fraction form
    683,918.92/944,071.50 = 612,172.36/x
  3. Step 3: Cross multiply
    683,918.92x = 944,071.50 × 612,172.36
  4. Step 4: Simplify right side
    683,918.92x = 577,934,478,163.74
  5. Step 5: Solve for x
    x = 577,934,478,163.74/683,918.92
  6. Step 6: Final answer
    x = 845,033.62

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Double scale
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1.5x scale

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.