Home / 1,323,806.81-1,985,456.25-514,190.33

Finding the Fourth Proportional to 1,323,806.81, 1,985,456.25 and 514,190.33

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Solution

The fourth proportional to 1,323,806.81, 1,985,456.25 and 514,190.33 is: 771,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,806.81 : 1,985,456.25 = 514,190.33 : x
  2. Step 2: Convert to fraction form
    1,323,806.81/1,985,456.25 = 514,190.33/x
  3. Step 3: Cross multiply
    1,323,806.81x = 1,985,456.25 × 514,190.33
  4. Step 4: Simplify right side
    1,323,806.81x = 1,020,902,404,388.06
  5. Step 5: Solve for x
    x = 1,020,902,404,388.06/1,323,806.81
  6. Step 6: Final answer
    x = 771,186.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.