Home / 860,972.44-1,291,456.50-410,327.32

Finding the Fourth Proportional to 860,972.44, 1,291,456.50 and 410,327.32

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Solution

The fourth proportional to 860,972.44, 1,291,456.50 and 410,327.32 is: 615,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,972.44 : 1,291,456.50 = 410,327.32 : x
  2. Step 2: Convert to fraction form
    860,972.44/1,291,456.50 = 410,327.32/x
  3. Step 3: Cross multiply
    860,972.44x = 1,291,456.50 × 410,327.32
  4. Step 4: Simplify right side
    860,972.44x = 529,919,884,541.58
  5. Step 5: Solve for x
    x = 529,919,884,541.58/860,972.44
  6. Step 6: Final answer
    x = 615,489.95

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Double scale
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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.