Home / 1,043,515.70-1,567,174.35-912,878.90

Finding the Fourth Proportional to 1,043,515.70, 1,567,174.35 and 912,878.90

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Solution

The fourth proportional to 1,043,515.70, 1,567,174.35 and 912,878.90 is: 1,370,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,515.70 : 1,567,174.35 = 912,878.90 : x
  2. Step 2: Convert to fraction form
    1,043,515.70/1,567,174.35 = 912,878.90/x
  3. Step 3: Cross multiply
    1,043,515.70x = 1,567,174.35 × 912,878.90
  4. Step 4: Simplify right side
    1,043,515.70x = 1,430,640,396,736.22
  5. Step 5: Solve for x
    x = 1,430,640,396,736.22/1,043,515.70
  6. Step 6: Final answer
    x = 1,370,981.19

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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.