Home / 809,385.60-1,213,106.40-335,827.20

Finding the Fourth Proportional to 809,385.60, 1,213,106.40 and 335,827.20

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Solution

The fourth proportional to 809,385.60, 1,213,106.40 and 335,827.20 is: 503,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,385.60 : 1,213,106.40 = 335,827.20 : x
  2. Step 2: Convert to fraction form
    809,385.60/1,213,106.40 = 335,827.20/x
  3. Step 3: Cross multiply
    809,385.60x = 1,213,106.40 × 335,827.20
  4. Step 4: Simplify right side
    809,385.60x = 407,394,125,614.08
  5. Step 5: Solve for x
    x = 407,394,125,614.08/809,385.60
  6. Step 6: Final answer
    x = 503,337.50

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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.