Home / 591,746.96-815,785.08-410,147.12

Finding the Fourth Proportional to 591,746.96, 815,785.08 and 410,147.12

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Solution

The fourth proportional to 591,746.96, 815,785.08 and 410,147.12 is: 565,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,746.96 : 815,785.08 = 410,147.12 : x
  2. Step 2: Convert to fraction form
    591,746.96/815,785.08 = 410,147.12/x
  3. Step 3: Cross multiply
    591,746.96x = 815,785.08 × 410,147.12
  4. Step 4: Simplify right side
    591,746.96x = 334,591,901,100.97
  5. Step 5: Solve for x
    x = 334,591,901,100.97/591,746.96
  6. Step 6: Final answer
    x = 565,430.71

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.