Home / 1,177,110.56-1,624,300.20-660,746.12

Finding the Fourth Proportional to 1,177,110.56, 1,624,300.20 and 660,746.12

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Solution

The fourth proportional to 1,177,110.56, 1,624,300.20 and 660,746.12 is: 911,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,110.56 : 1,624,300.20 = 660,746.12 : x
  2. Step 2: Convert to fraction form
    1,177,110.56/1,624,300.20 = 660,746.12/x
  3. Step 3: Cross multiply
    1,177,110.56x = 1,624,300.20 × 660,746.12
  4. Step 4: Simplify right side
    1,177,110.56x = 1,073,250,054,865.22
  5. Step 5: Solve for x
    x = 1,073,250,054,865.22/1,177,110.56
  6. Step 6: Final answer
    x = 911,766.57

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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.