Home / 1,191,110.40-1,786,051.20-442,771.20

Finding the Fourth Proportional to 1,191,110.40, 1,786,051.20 and 442,771.20

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Solution

The fourth proportional to 1,191,110.40, 1,786,051.20 and 442,771.20 is: 663,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,110.40 : 1,786,051.20 = 442,771.20 : x
  2. Step 2: Convert to fraction form
    1,191,110.40/1,786,051.20 = 442,771.20/x
  3. Step 3: Cross multiply
    1,191,110.40x = 1,786,051.20 × 442,771.20
  4. Step 4: Simplify right side
    1,191,110.40x = 790,812,033,085.44
  5. Step 5: Solve for x
    x = 790,812,033,085.44/1,191,110.40
  6. Step 6: Final answer
    x = 663,928.41

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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.