Home / 1,991,071.04-2,986,756.32-571,115.84

Finding the Fourth Proportional to 1,991,071.04, 2,986,756.32 and 571,115.84

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Solution

The fourth proportional to 1,991,071.04, 2,986,756.32 and 571,115.84 is: 856,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,071.04 : 2,986,756.32 = 571,115.84 : x
  2. Step 2: Convert to fraction form
    1,991,071.04/2,986,756.32 = 571,115.84/x
  3. Step 3: Cross multiply
    1,991,071.04x = 2,986,756.32 × 571,115.84
  4. Step 4: Simplify right side
    1,991,071.04x = 1,705,783,844,572.11
  5. Step 5: Solve for x
    x = 1,705,783,844,572.11/1,991,071.04
  6. Step 6: Final answer
    x = 856,716.72

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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.