Home / 1,208,638.68-1,667,932.38-657,359.16

Finding the Fourth Proportional to 1,208,638.68, 1,667,932.38 and 657,359.16

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Solution

The fourth proportional to 1,208,638.68, 1,667,932.38 and 657,359.16 is: 907,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,638.68 : 1,667,932.38 = 657,359.16 : x
  2. Step 2: Convert to fraction form
    1,208,638.68/1,667,932.38 = 657,359.16/x
  3. Step 3: Cross multiply
    1,208,638.68x = 1,667,932.38 × 657,359.16
  4. Step 4: Simplify right side
    1,208,638.68x = 1,096,430,628,253.60
  5. Step 5: Solve for x
    x = 1,096,430,628,253.60/1,208,638.68
  6. Step 6: Final answer
    x = 907,161.62

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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.