Home / 1,645,477.36-2,269,844.84-957,071.72

Finding the Fourth Proportional to 1,645,477.36, 2,269,844.84 and 957,071.72

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Solution

The fourth proportional to 1,645,477.36, 2,269,844.84 and 957,071.72 is: 1,320,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,477.36 : 2,269,844.84 = 957,071.72 : x
  2. Step 2: Convert to fraction form
    1,645,477.36/2,269,844.84 = 957,071.72/x
  3. Step 3: Cross multiply
    1,645,477.36x = 2,269,844.84 × 957,071.72
  4. Step 4: Simplify right side
    1,645,477.36x = 2,172,404,313,219.22
  5. Step 5: Solve for x
    x = 2,172,404,313,219.22/1,645,477.36
  6. Step 6: Final answer
    x = 1,320,227.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.