Home / 952,442.40-1,427,497.20-419,397.60

Finding the Fourth Proportional to 952,442.40, 1,427,497.20 and 419,397.60

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Solution

The fourth proportional to 952,442.40, 1,427,497.20 and 419,397.60 is: 628,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,442.40 : 1,427,497.20 = 419,397.60 : x
  2. Step 2: Convert to fraction form
    952,442.40/1,427,497.20 = 419,397.60/x
  3. Step 3: Cross multiply
    952,442.40x = 1,427,497.20 × 419,397.60
  4. Step 4: Simplify right side
    952,442.40x = 598,688,899,686.72
  5. Step 5: Solve for x
    x = 598,688,899,686.72/952,442.40
  6. Step 6: Final answer
    x = 628,582.79

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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.