Home / 848,213.59-1,272,319.58-217,126.39

Finding the Fourth Proportional to 848,213.59, 1,272,319.58 and 217,126.39

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Solution

The fourth proportional to 848,213.59, 1,272,319.58 and 217,126.39 is: 325,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,213.59 : 1,272,319.58 = 217,126.39 : x
  2. Step 2: Convert to fraction form
    848,213.59/1,272,319.58 = 217,126.39/x
  3. Step 3: Cross multiply
    848,213.59x = 1,272,319.58 × 217,126.39
  4. Step 4: Simplify right side
    848,213.59x = 276,254,158,243.60
  5. Step 5: Solve for x
    x = 276,254,158,243.60/848,213.59
  6. Step 6: Final answer
    x = 325,689.38

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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.