Home / 808,056.71-1,115,125.48-445,493.42

Finding the Fourth Proportional to 808,056.71, 1,115,125.48 and 445,493.42

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Solution

The fourth proportional to 808,056.71, 1,115,125.48 and 445,493.42 is: 614,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,056.71 : 1,115,125.48 = 445,493.42 : x
  2. Step 2: Convert to fraction form
    808,056.71/1,115,125.48 = 445,493.42/x
  3. Step 3: Cross multiply
    808,056.71x = 1,115,125.48 × 445,493.42
  4. Step 4: Simplify right side
    808,056.71x = 496,781,062,977.30
  5. Step 5: Solve for x
    x = 496,781,062,977.30/808,056.71
  6. Step 6: Final answer
    x = 614,784.90

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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.