Home / 930,531.56-1,284,180-522,612.32

Finding the Fourth Proportional to 930,531.56, 1,284,180 and 522,612.32

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Solution

The fourth proportional to 930,531.56, 1,284,180 and 522,612.32 is: 721,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,531.56 : 1,284,180 = 522,612.32 : x
  2. Step 2: Convert to fraction form
    930,531.56/1,284,180 = 522,612.32/x
  3. Step 3: Cross multiply
    930,531.56x = 1,284,180 × 522,612.32
  4. Step 4: Simplify right side
    930,531.56x = 671,128,289,097.60
  5. Step 5: Solve for x
    x = 671,128,289,097.60/930,531.56
  6. Step 6: Final answer
    x = 721,231.09

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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.