Home / 753,022.24-1,039,279.52-451,244.32

Finding the Fourth Proportional to 753,022.24, 1,039,279.52 and 451,244.32

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Solution

The fourth proportional to 753,022.24, 1,039,279.52 and 451,244.32 is: 622,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,022.24 : 1,039,279.52 = 451,244.32 : x
  2. Step 2: Convert to fraction form
    753,022.24/1,039,279.52 = 451,244.32/x
  3. Step 3: Cross multiply
    753,022.24x = 1,039,279.52 × 451,244.32
  4. Step 4: Simplify right side
    753,022.24x = 468,968,980,292.33
  5. Step 5: Solve for x
    x = 468,968,980,292.33/753,022.24
  6. Step 6: Final answer
    x = 622,782.38

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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.