Home / 867,979.17-1,301,337.86-362,684.77

Finding the Fourth Proportional to 867,979.17, 1,301,337.86 and 362,684.77

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Solution

The fourth proportional to 867,979.17, 1,301,337.86 and 362,684.77 is: 543,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,979.17 : 1,301,337.86 = 362,684.77 : x
  2. Step 2: Convert to fraction form
    867,979.17/1,301,337.86 = 362,684.77/x
  3. Step 3: Cross multiply
    867,979.17x = 1,301,337.86 × 362,684.77
  4. Step 4: Simplify right side
    867,979.17x = 471,975,422,446.39
  5. Step 5: Solve for x
    x = 471,975,422,446.39/867,979.17
  6. Step 6: Final answer
    x = 543,763.54

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.