Home / 1,208,934.92-1,668,333.66-665,105.96

Finding the Fourth Proportional to 1,208,934.92, 1,668,333.66 and 665,105.96

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Solution

The fourth proportional to 1,208,934.92, 1,668,333.66 and 665,105.96 is: 917,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,934.92 : 1,668,333.66 = 665,105.96 : x
  2. Step 2: Convert to fraction form
    1,208,934.92/1,668,333.66 = 665,105.96/x
  3. Step 3: Cross multiply
    1,208,934.92x = 1,668,333.66 × 665,105.96
  4. Step 4: Simplify right side
    1,208,934.92x = 1,109,618,660,534.61
  5. Step 5: Solve for x
    x = 1,109,618,660,534.61/1,208,934.92
  6. Step 6: Final answer
    x = 917,848.13

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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.