Home / 1,051,757.53-1,578,346.14-411,981.88

Finding the Fourth Proportional to 1,051,757.53, 1,578,346.14 and 411,981.88

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Solution

The fourth proportional to 1,051,757.53, 1,578,346.14 and 411,981.88 is: 618,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,757.53 : 1,578,346.14 = 411,981.88 : x
  2. Step 2: Convert to fraction form
    1,051,757.53/1,578,346.14 = 411,981.88/x
  3. Step 3: Cross multiply
    1,051,757.53x = 1,578,346.14 × 411,981.88
  4. Step 4: Simplify right side
    1,051,757.53x = 650,250,010,047.94
  5. Step 5: Solve for x
    x = 650,250,010,047.94/1,051,757.53
  6. Step 6: Final answer
    x = 618,250.87

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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.