Home / 741,483.52-1,112,290.88-209,009.28

Finding the Fourth Proportional to 741,483.52, 1,112,290.88 and 209,009.28

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Solution

The fourth proportional to 741,483.52, 1,112,290.88 and 209,009.28 is: 313,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,483.52 : 1,112,290.88 = 209,009.28 : x
  2. Step 2: Convert to fraction form
    741,483.52/1,112,290.88 = 209,009.28/x
  3. Step 3: Cross multiply
    741,483.52x = 1,112,290.88 × 209,009.28
  4. Step 4: Simplify right side
    741,483.52x = 232,479,115,979.37
  5. Step 5: Solve for x
    x = 232,479,115,979.37/741,483.52
  6. Step 6: Final answer
    x = 313,532.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.