Home / 778,677.33-1,074,584.89-452,066.65

Finding the Fourth Proportional to 778,677.33, 1,074,584.89 and 452,066.65

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Solution

The fourth proportional to 778,677.33, 1,074,584.89 and 452,066.65 is: 623,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,677.33 : 1,074,584.89 = 452,066.65 : x
  2. Step 2: Convert to fraction form
    778,677.33/1,074,584.89 = 452,066.65/x
  3. Step 3: Cross multiply
    778,677.33x = 1,074,584.89 × 452,066.65
  4. Step 4: Simplify right side
    778,677.33x = 485,783,991,362.92
  5. Step 5: Solve for x
    x = 485,783,991,362.92/778,677.33
  6. Step 6: Final answer
    x = 623,857.88

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Double scale
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1.5x scale

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.