Home / 817,097.09-1,225,842.47-256,131.59

Finding the Fourth Proportional to 817,097.09, 1,225,842.47 and 256,131.59

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Solution

The fourth proportional to 817,097.09, 1,225,842.47 and 256,131.59 is: 384,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,097.09 : 1,225,842.47 = 256,131.59 : x
  2. Step 2: Convert to fraction form
    817,097.09/1,225,842.47 = 256,131.59/x
  3. Step 3: Cross multiply
    817,097.09x = 1,225,842.47 × 256,131.59
  4. Step 4: Simplify right side
    817,097.09x = 313,976,979,649.97
  5. Step 5: Solve for x
    x = 313,976,979,649.97/817,097.09
  6. Step 6: Final answer
    x = 384,259.08

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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.