Home / 901,003.94-1,243,443.17-519,024.14

Finding the Fourth Proportional to 901,003.94, 1,243,443.17 and 519,024.14

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Solution

The fourth proportional to 901,003.94, 1,243,443.17 and 519,024.14 is: 716,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,003.94 : 1,243,443.17 = 519,024.14 : x
  2. Step 2: Convert to fraction form
    901,003.94/1,243,443.17 = 519,024.14/x
  3. Step 3: Cross multiply
    901,003.94x = 1,243,443.17 × 519,024.14
  4. Step 4: Simplify right side
    901,003.94x = 645,377,013,135.79
  5. Step 5: Solve for x
    x = 645,377,013,135.79/901,003.94
  6. Step 6: Final answer
    x = 716,286.56

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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.