Home / 1,974,412.42-2,961,618.66-478,504.42

Finding the Fourth Proportional to 1,974,412.42, 2,961,618.66 and 478,504.42

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Solution

The fourth proportional to 1,974,412.42, 2,961,618.66 and 478,504.42 is: 717,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,412.42 : 2,961,618.66 = 478,504.42 : x
  2. Step 2: Convert to fraction form
    1,974,412.42/2,961,618.66 = 478,504.42/x
  3. Step 3: Cross multiply
    1,974,412.42x = 2,961,618.66 × 478,504.42
  4. Step 4: Simplify right side
    1,974,412.42x = 1,417,147,611,760.43
  5. Step 5: Solve for x
    x = 1,417,147,611,760.43/1,974,412.42
  6. Step 6: Final answer
    x = 717,756.63

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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.