Home / 771,063.67-1,064,067.73-431,531.92

Finding the Fourth Proportional to 771,063.67, 1,064,067.73 and 431,531.92

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Solution

The fourth proportional to 771,063.67, 1,064,067.73 and 431,531.92 is: 595,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,063.67 : 1,064,067.73 = 431,531.92 : x
  2. Step 2: Convert to fraction form
    771,063.67/1,064,067.73 = 431,531.92/x
  3. Step 3: Cross multiply
    771,063.67x = 1,064,067.73 × 431,531.92
  4. Step 4: Simplify right side
    771,063.67x = 459,179,190,536.94
  5. Step 5: Solve for x
    x = 459,179,190,536.94/771,063.67
  6. Step 6: Final answer
    x = 595,513.97

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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.