Home / 1,197,969.62-1,653,232.11-654,139.87

Finding the Fourth Proportional to 1,197,969.62, 1,653,232.11 and 654,139.87

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Solution

The fourth proportional to 1,197,969.62, 1,653,232.11 and 654,139.87 is: 902,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,969.62 : 1,653,232.11 = 654,139.87 : x
  2. Step 2: Convert to fraction form
    1,197,969.62/1,653,232.11 = 654,139.87/x
  3. Step 3: Cross multiply
    1,197,969.62x = 1,653,232.11 × 654,139.87
  4. Step 4: Simplify right side
    1,197,969.62x = 1,081,445,030,929.12
  5. Step 5: Solve for x
    x = 1,081,445,030,929.12/1,197,969.62
  6. Step 6: Final answer
    x = 902,731.60

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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.