Home / 791,904.15-1,092,813.48-447,734.16

Finding the Fourth Proportional to 791,904.15, 1,092,813.48 and 447,734.16

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Solution

The fourth proportional to 791,904.15, 1,092,813.48 and 447,734.16 is: 617,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,904.15 : 1,092,813.48 = 447,734.16 : x
  2. Step 2: Convert to fraction form
    791,904.15/1,092,813.48 = 447,734.16/x
  3. Step 3: Cross multiply
    791,904.15x = 1,092,813.48 × 447,734.16
  4. Step 4: Simplify right side
    791,904.15x = 489,289,925,504.48
  5. Step 5: Solve for x
    x = 489,289,925,504.48/791,904.15
  6. Step 6: Final answer
    x = 617,865.09

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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.