Home / 1,644,220.86-2,269,313.54-956,105.61

Finding the Fourth Proportional to 1,644,220.86, 2,269,313.54 and 956,105.61

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Solution

The fourth proportional to 1,644,220.86, 2,269,313.54 and 956,105.61 is: 1,319,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,220.86 : 2,269,313.54 = 956,105.61 : x
  2. Step 2: Convert to fraction form
    1,644,220.86/2,269,313.54 = 956,105.61/x
  3. Step 3: Cross multiply
    1,644,220.86x = 2,269,313.54 × 956,105.61
  4. Step 4: Simplify right side
    1,644,220.86x = 2,169,703,406,442.96
  5. Step 5: Solve for x
    x = 2,169,703,406,442.96/1,644,220.86
  6. Step 6: Final answer
    x = 1,319,593.65

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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.