Home / 1,227,224.86-1,840,921.16-417,279.53

Finding the Fourth Proportional to 1,227,224.86, 1,840,921.16 and 417,279.53

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Solution

The fourth proportional to 1,227,224.86, 1,840,921.16 and 417,279.53 is: 625,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,224.86 : 1,840,921.16 = 417,279.53 : x
  2. Step 2: Convert to fraction form
    1,227,224.86/1,840,921.16 = 417,279.53/x
  3. Step 3: Cross multiply
    1,227,224.86x = 1,840,921.16 × 417,279.53
  4. Step 4: Simplify right side
    1,227,224.86x = 768,178,718,927.76
  5. Step 5: Solve for x
    x = 768,178,718,927.76/1,227,224.86
  6. Step 6: Final answer
    x = 625,947.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.