Home / 809,775.60-1,117,434.06-447,196.32

Finding the Fourth Proportional to 809,775.60, 1,117,434.06 and 447,196.32

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Solution

The fourth proportional to 809,775.60, 1,117,434.06 and 447,196.32 is: 617,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,775.60 : 1,117,434.06 = 447,196.32 : x
  2. Step 2: Convert to fraction form
    809,775.60/1,117,434.06 = 447,196.32/x
  3. Step 3: Cross multiply
    809,775.60x = 1,117,434.06 × 447,196.32
  4. Step 4: Simplify right side
    809,775.60x = 499,712,399,474.66
  5. Step 5: Solve for x
    x = 499,712,399,474.66/809,775.60
  6. Step 6: Final answer
    x = 617,099.85

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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.