Home / 851,682.11-1,174,242.97-561,248.51

Finding the Fourth Proportional to 851,682.11, 1,174,242.97 and 561,248.51

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Solution

The fourth proportional to 851,682.11, 1,174,242.97 and 561,248.51 is: 773,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,682.11 : 1,174,242.97 = 561,248.51 : x
  2. Step 2: Convert to fraction form
    851,682.11/1,174,242.97 = 561,248.51/x
  3. Step 3: Cross multiply
    851,682.11x = 1,174,242.97 × 561,248.51
  4. Step 4: Simplify right side
    851,682.11x = 659,042,117,290.48
  5. Step 5: Solve for x
    x = 659,042,117,290.48/851,682.11
  6. Step 6: Final answer
    x = 773,812.33

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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.