Home / 1,127,259.57-1,555,682.45-668,645.67

Finding the Fourth Proportional to 1,127,259.57, 1,555,682.45 and 668,645.67

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Solution

The fourth proportional to 1,127,259.57, 1,555,682.45 and 668,645.67 is: 922,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,259.57 : 1,555,682.45 = 668,645.67 : x
  2. Step 2: Convert to fraction form
    1,127,259.57/1,555,682.45 = 668,645.67/x
  3. Step 3: Cross multiply
    1,127,259.57x = 1,555,682.45 × 668,645.67
  4. Step 4: Simplify right side
    1,127,259.57x = 1,040,200,330,744.26
  5. Step 5: Solve for x
    x = 1,040,200,330,744.26/1,127,259.57
  6. Step 6: Final answer
    x = 922,769.13

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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.