Home / 1,208,569.08-1,667,836.44-657,289.92

Finding the Fourth Proportional to 1,208,569.08, 1,667,836.44 and 657,289.92

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Solution

The fourth proportional to 1,208,569.08, 1,667,836.44 and 657,289.92 is: 907,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,569.08 : 1,667,836.44 = 657,289.92 : x
  2. Step 2: Convert to fraction form
    1,208,569.08/1,667,836.44 = 657,289.92/x
  3. Step 3: Cross multiply
    1,208,569.08x = 1,667,836.44 × 657,289.92
  4. Step 4: Simplify right side
    1,208,569.08x = 1,096,252,080,220.68
  5. Step 5: Solve for x
    x = 1,096,252,080,220.68/1,208,569.08
  6. Step 6: Final answer
    x = 907,066.13

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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.