Home / 1,198,179.81-1,653,426.54-654,210.81

Finding the Fourth Proportional to 1,198,179.81, 1,653,426.54 and 654,210.81

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Solution

The fourth proportional to 1,198,179.81, 1,653,426.54 and 654,210.81 is: 902,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,179.81 : 1,653,426.54 = 654,210.81 : x
  2. Step 2: Convert to fraction form
    1,198,179.81/1,653,426.54 = 654,210.81/x
  3. Step 3: Cross multiply
    1,198,179.81x = 1,653,426.54 × 654,210.81
  4. Step 4: Simplify right side
    1,198,179.81x = 1,081,689,516,008.90
  5. Step 5: Solve for x
    x = 1,081,689,516,008.90/1,198,179.81
  6. Step 6: Final answer
    x = 902,777.29

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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.