Home / 1,247,593.41-1,721,678.94-674,633.61

Finding the Fourth Proportional to 1,247,593.41, 1,721,678.94 and 674,633.61

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Solution

The fourth proportional to 1,247,593.41, 1,721,678.94 and 674,633.61 is: 930,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,593.41 : 1,721,678.94 = 674,633.61 : x
  2. Step 2: Convert to fraction form
    1,247,593.41/1,721,678.94 = 674,633.61/x
  3. Step 3: Cross multiply
    1,247,593.41x = 1,721,678.94 × 674,633.61
  4. Step 4: Simplify right side
    1,247,593.41x = 1,161,502,478,553.17
  5. Step 5: Solve for x
    x = 1,161,502,478,553.17/1,247,593.41
  6. Step 6: Final answer
    x = 930,994.40

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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.