Home / 809,503.28-1,117,092.29-446,920.55

Finding the Fourth Proportional to 809,503.28, 1,117,092.29 and 446,920.55

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Solution

The fourth proportional to 809,503.28, 1,117,092.29 and 446,920.55 is: 616,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,503.28 : 1,117,092.29 = 446,920.55 : x
  2. Step 2: Convert to fraction form
    809,503.28/1,117,092.29 = 446,920.55/x
  3. Step 3: Cross multiply
    809,503.28x = 1,117,092.29 × 446,920.55
  4. Step 4: Simplify right side
    809,503.28x = 499,251,492,827.50
  5. Step 5: Solve for x
    x = 499,251,492,827.50/809,503.28
  6. Step 6: Final answer
    x = 616,738.08

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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.