Home / 766,243.67-1,057,416.19-444,140.60

Finding the Fourth Proportional to 766,243.67, 1,057,416.19 and 444,140.60

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Solution

The fourth proportional to 766,243.67, 1,057,416.19 and 444,140.60 is: 612,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,243.67 : 1,057,416.19 = 444,140.60 : x
  2. Step 2: Convert to fraction form
    766,243.67/1,057,416.19 = 444,140.60/x
  3. Step 3: Cross multiply
    766,243.67x = 1,057,416.19 × 444,140.60
  4. Step 4: Simplify right side
    766,243.67x = 469,641,461,076.31
  5. Step 5: Solve for x
    x = 469,641,461,076.31/766,243.67
  6. Step 6: Final answer
    x = 612,913.98

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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.