Home / 872,243.32-1,203,519.33-509,597.12

Finding the Fourth Proportional to 872,243.32, 1,203,519.33 and 509,597.12

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Solution

The fourth proportional to 872,243.32, 1,203,519.33 and 509,597.12 is: 703,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,243.32 : 1,203,519.33 = 509,597.12 : x
  2. Step 2: Convert to fraction form
    872,243.32/1,203,519.33 = 509,597.12/x
  3. Step 3: Cross multiply
    872,243.32x = 1,203,519.33 × 509,597.12
  4. Step 4: Simplify right side
    872,243.32x = 613,309,984,432.33
  5. Step 5: Solve for x
    x = 613,309,984,432.33/872,243.32
  6. Step 6: Final answer
    x = 703,140.94

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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.