Home / 1,197,957.68-1,653,168.96-654,091.72

Finding the Fourth Proportional to 1,197,957.68, 1,653,168.96 and 654,091.72

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Solution

The fourth proportional to 1,197,957.68, 1,653,168.96 and 654,091.72 is: 902,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,957.68 : 1,653,168.96 = 654,091.72 : x
  2. Step 2: Convert to fraction form
    1,197,957.68/1,653,168.96 = 654,091.72/x
  3. Step 3: Cross multiply
    1,197,957.68x = 1,653,168.96 × 654,091.72
  4. Step 4: Simplify right side
    1,197,957.68x = 1,081,324,128,497.01
  5. Step 5: Solve for x
    x = 1,081,324,128,497.01/1,197,957.68
  6. Step 6: Final answer
    x = 902,639.67

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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.