Home / 872,832.75-1,204,490.28-505,325.37

Finding the Fourth Proportional to 872,832.75, 1,204,490.28 and 505,325.37

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Solution

The fourth proportional to 872,832.75, 1,204,490.28 and 505,325.37 is: 697,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,832.75 : 1,204,490.28 = 505,325.37 : x
  2. Step 2: Convert to fraction form
    872,832.75/1,204,490.28 = 505,325.37/x
  3. Step 3: Cross multiply
    872,832.75x = 1,204,490.28 × 505,325.37
  4. Step 4: Simplify right side
    872,832.75x = 608,659,496,402.40
  5. Step 5: Solve for x
    x = 608,659,496,402.40/872,832.75
  6. Step 6: Final answer
    x = 697,338.06

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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.