Home / 806,411.60-1,209,617.40-274,533.20

Finding the Fourth Proportional to 806,411.60, 1,209,617.40 and 274,533.20

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Solution

The fourth proportional to 806,411.60, 1,209,617.40 and 274,533.20 is: 411,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,411.60 : 1,209,617.40 = 274,533.20 : x
  2. Step 2: Convert to fraction form
    806,411.60/1,209,617.40 = 274,533.20/x
  3. Step 3: Cross multiply
    806,411.60x = 1,209,617.40 × 274,533.20
  4. Step 4: Simplify right side
    806,411.60x = 332,080,135,597.68
  5. Step 5: Solve for x
    x = 332,080,135,597.68/806,411.60
  6. Step 6: Final answer
    x = 411,799.80

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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.