Home / 811,454.88-1,119,430.44-525,067.44

Finding the Fourth Proportional to 811,454.88, 1,119,430.44 and 525,067.44

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Solution

The fourth proportional to 811,454.88, 1,119,430.44 and 525,067.44 is: 724,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,454.88 : 1,119,430.44 = 525,067.44 : x
  2. Step 2: Convert to fraction form
    811,454.88/1,119,430.44 = 525,067.44/x
  3. Step 3: Cross multiply
    811,454.88x = 1,119,430.44 × 525,067.44
  4. Step 4: Simplify right side
    811,454.88x = 587,776,475,388.87
  5. Step 5: Solve for x
    x = 587,776,475,388.87/811,454.88
  6. Step 6: Final answer
    x = 724,348.93

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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.