Home / 1,227,859.60-1,842,039.42-517,890.28

Finding the Fourth Proportional to 1,227,859.60, 1,842,039.42 and 517,890.28

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Solution

The fourth proportional to 1,227,859.60, 1,842,039.42 and 517,890.28 is: 776,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,859.60 : 1,842,039.42 = 517,890.28 : x
  2. Step 2: Convert to fraction form
    1,227,859.60/1,842,039.42 = 517,890.28/x
  3. Step 3: Cross multiply
    1,227,859.60x = 1,842,039.42 × 517,890.28
  4. Step 4: Simplify right side
    1,227,859.60x = 953,974,310,994.84
  5. Step 5: Solve for x
    x = 953,974,310,994.84/1,227,859.60
  6. Step 6: Final answer
    x = 776,940.87

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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.