Home / 1,149,258.27-1,585,976.34-666,103.67

Finding the Fourth Proportional to 1,149,258.27, 1,585,976.34 and 666,103.67

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Solution

The fourth proportional to 1,149,258.27, 1,585,976.34 and 666,103.67 is: 919,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,258.27 : 1,585,976.34 = 666,103.67 : x
  2. Step 2: Convert to fraction form
    1,149,258.27/1,585,976.34 = 666,103.67/x
  3. Step 3: Cross multiply
    1,149,258.27x = 1,585,976.34 × 666,103.67
  4. Step 4: Simplify right side
    1,149,258.27x = 1,056,424,660,607.17
  5. Step 5: Solve for x
    x = 1,056,424,660,607.17/1,149,258.27
  6. Step 6: Final answer
    x = 919,223.02

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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.