Home / 1,641,686.87-2,265,736.87-953,221.67

Finding the Fourth Proportional to 1,641,686.87, 2,265,736.87 and 953,221.67

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Solution

The fourth proportional to 1,641,686.87, 2,265,736.87 and 953,221.67 is: 1,315,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,686.87 : 2,265,736.87 = 953,221.67 : x
  2. Step 2: Convert to fraction form
    1,641,686.87/2,265,736.87 = 953,221.67/x
  3. Step 3: Cross multiply
    1,641,686.87x = 2,265,736.87 × 953,221.67
  4. Step 4: Simplify right side
    1,641,686.87x = 2,159,749,489,857.84
  5. Step 5: Solve for x
    x = 2,159,749,489,857.84/1,641,686.87
  6. Step 6: Final answer
    x = 1,315,567.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.