Home / 872,356.44-1,203,673.79-509,710.23

Finding the Fourth Proportional to 872,356.44, 1,203,673.79 and 509,710.23

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Solution

The fourth proportional to 872,356.44, 1,203,673.79 and 509,710.23 is: 703,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,356.44 : 1,203,673.79 = 509,710.23 : x
  2. Step 2: Convert to fraction form
    872,356.44/1,203,673.79 = 509,710.23/x
  3. Step 3: Cross multiply
    872,356.44x = 1,203,673.79 × 509,710.23
  4. Step 4: Simplify right side
    872,356.44x = 613,524,841,797.32
  5. Step 5: Solve for x
    x = 613,524,841,797.32/872,356.44
  6. Step 6: Final answer
    x = 703,296.05

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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.