Home / 764,085.69-1,054,387.17-419,914.22

Finding the Fourth Proportional to 764,085.69, 1,054,387.17 and 419,914.22

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Solution

The fourth proportional to 764,085.69, 1,054,387.17 and 419,914.22 is: 579,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,085.69 : 1,054,387.17 = 419,914.22 : x
  2. Step 2: Convert to fraction form
    764,085.69/1,054,387.17 = 419,914.22/x
  3. Step 3: Cross multiply
    764,085.69x = 1,054,387.17 × 419,914.22
  4. Step 4: Simplify right side
    764,085.69x = 442,752,160,796.62
  5. Step 5: Solve for x
    x = 442,752,160,796.62/764,085.69
  6. Step 6: Final answer
    x = 579,453.54

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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.