Home / 754,186.97-1,040,768.85-561,455.77

Finding the Fourth Proportional to 754,186.97, 1,040,768.85 and 561,455.77

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Solution

The fourth proportional to 754,186.97, 1,040,768.85 and 561,455.77 is: 774,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,186.97 : 1,040,768.85 = 561,455.77 : x
  2. Step 2: Convert to fraction form
    754,186.97/1,040,768.85 = 561,455.77/x
  3. Step 3: Cross multiply
    754,186.97x = 1,040,768.85 × 561,455.77
  4. Step 4: Simplify right side
    754,186.97x = 584,345,673,261.49
  5. Step 5: Solve for x
    x = 584,345,673,261.49/754,186.97
  6. Step 6: Final answer
    x = 774,802.13

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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.