Home / 1,519,404.35-2,278,265.13-621,476.62

Finding the Fourth Proportional to 1,519,404.35, 2,278,265.13 and 621,476.62

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Solution

The fourth proportional to 1,519,404.35, 2,278,265.13 and 621,476.62 is: 931,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,404.35 : 2,278,265.13 = 621,476.62 : x
  2. Step 2: Convert to fraction form
    1,519,404.35/2,278,265.13 = 621,476.62/x
  3. Step 3: Cross multiply
    1,519,404.35x = 2,278,265.13 × 621,476.62
  4. Step 4: Simplify right side
    1,519,404.35x = 1,415,888,506,760.60
  5. Step 5: Solve for x
    x = 1,415,888,506,760.60/1,519,404.35
  6. Step 6: Final answer
    x = 931,870.78

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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.