Home / 1,208,663.07-1,667,958.36-664,854.57

Finding the Fourth Proportional to 1,208,663.07, 1,667,958.36 and 664,854.57

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Solution

The fourth proportional to 1,208,663.07, 1,667,958.36 and 664,854.57 is: 917,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,663.07 : 1,667,958.36 = 664,854.57 : x
  2. Step 2: Convert to fraction form
    1,208,663.07/1,667,958.36 = 664,854.57/x
  3. Step 3: Cross multiply
    1,208,663.07x = 1,667,958.36 × 664,854.57
  4. Step 4: Simplify right side
    1,208,663.07x = 1,108,949,738,215.71
  5. Step 5: Solve for x
    x = 1,108,949,738,215.71/1,208,663.07
  6. Step 6: Final answer
    x = 917,501.13

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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.