Home / 1,208,417.35-1,667,582.67-664,553.14

Finding the Fourth Proportional to 1,208,417.35, 1,667,582.67 and 664,553.14

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Solution

The fourth proportional to 1,208,417.35, 1,667,582.67 and 664,553.14 is: 917,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,417.35 : 1,667,582.67 = 664,553.14 : x
  2. Step 2: Convert to fraction form
    1,208,417.35/1,667,582.67 = 664,553.14/x
  3. Step 3: Cross multiply
    1,208,417.35x = 1,667,582.67 × 664,553.14
  4. Step 4: Simplify right side
    1,208,417.35x = 1,108,197,299,558.08
  5. Step 5: Solve for x
    x = 1,108,197,299,558.08/1,208,417.35
  6. Step 6: Final answer
    x = 917,065.04

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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.