Home / 891,322.53-1,229,627.03-528,761.67

Finding the Fourth Proportional to 891,322.53, 1,229,627.03 and 528,761.67

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Solution

The fourth proportional to 891,322.53, 1,229,627.03 and 528,761.67 is: 729,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,322.53 : 1,229,627.03 = 528,761.67 : x
  2. Step 2: Convert to fraction form
    891,322.53/1,229,627.03 = 528,761.67/x
  3. Step 3: Cross multiply
    891,322.53x = 1,229,627.03 × 528,761.67
  4. Step 4: Simplify right side
    891,322.53x = 650,179,639,216.13
  5. Step 5: Solve for x
    x = 650,179,639,216.13/891,322.53
  6. Step 6: Final answer
    x = 729,454.96

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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.