Home / 776,451.69-1,071,527.13-422,856.27

Finding the Fourth Proportional to 776,451.69, 1,071,527.13 and 422,856.27

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Solution

The fourth proportional to 776,451.69, 1,071,527.13 and 422,856.27 is: 583,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,451.69 : 1,071,527.13 = 422,856.27 : x
  2. Step 2: Convert to fraction form
    776,451.69/1,071,527.13 = 422,856.27/x
  3. Step 3: Cross multiply
    776,451.69x = 1,071,527.13 × 422,856.27
  4. Step 4: Simplify right side
    776,451.69x = 453,101,965,395.61
  5. Step 5: Solve for x
    x = 453,101,965,395.61/776,451.69
  6. Step 6: Final answer
    x = 583,554.61

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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.