Home / 775,773.92-1,069,886.54-543,081.65

Finding the Fourth Proportional to 775,773.92, 1,069,886.54 and 543,081.65

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Solution

The fourth proportional to 775,773.92, 1,069,886.54 and 543,081.65 is: 748,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,773.92 : 1,069,886.54 = 543,081.65 : x
  2. Step 2: Convert to fraction form
    775,773.92/1,069,886.54 = 543,081.65/x
  3. Step 3: Cross multiply
    775,773.92x = 1,069,886.54 × 543,081.65
  4. Step 4: Simplify right side
    775,773.92x = 581,035,743,464.26
  5. Step 5: Solve for x
    x = 581,035,743,464.26/775,773.92
  6. Step 6: Final answer
    x = 748,975.61

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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.