Home / 635,071.16-876,429.24-348,588.20

Finding the Fourth Proportional to 635,071.16, 876,429.24 and 348,588.20

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Solution

The fourth proportional to 635,071.16, 876,429.24 and 348,588.20 is: 481,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,071.16 : 876,429.24 = 348,588.20 : x
  2. Step 2: Convert to fraction form
    635,071.16/876,429.24 = 348,588.20/x
  3. Step 3: Cross multiply
    635,071.16x = 876,429.24 × 348,588.20
  4. Step 4: Simplify right side
    635,071.16x = 305,512,891,198.97
  5. Step 5: Solve for x
    x = 305,512,891,198.97/635,071.16
  6. Step 6: Final answer
    x = 481,068.75

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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.