Home / 782,841.23-1,172,268.01-515,792.33

Finding the Fourth Proportional to 782,841.23, 1,172,268.01 and 515,792.33

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Solution

The fourth proportional to 782,841.23, 1,172,268.01 and 515,792.33 is: 772,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,841.23 : 1,172,268.01 = 515,792.33 : x
  2. Step 2: Convert to fraction form
    782,841.23/1,172,268.01 = 515,792.33/x
  3. Step 3: Cross multiply
    782,841.23x = 1,172,268.01 × 515,792.33
  4. Step 4: Simplify right side
    782,841.23x = 604,646,848,262.36
  5. Step 5: Solve for x
    x = 604,646,848,262.36/782,841.23
  6. Step 6: Final answer
    x = 772,374.81

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1.5x scale

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.