Home / 791,434.88-1,092,059.34-447,145.19

Finding the Fourth Proportional to 791,434.88, 1,092,059.34 and 447,145.19

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Solution

The fourth proportional to 791,434.88, 1,092,059.34 and 447,145.19 is: 616,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,434.88 : 1,092,059.34 = 447,145.19 : x
  2. Step 2: Convert to fraction form
    791,434.88/1,092,059.34 = 447,145.19/x
  3. Step 3: Cross multiply
    791,434.88x = 1,092,059.34 × 447,145.19
  4. Step 4: Simplify right side
    791,434.88x = 488,309,081,075.58
  5. Step 5: Solve for x
    x = 488,309,081,075.58/791,434.88
  6. Step 6: Final answer
    x = 616,992.12

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Double scale
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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.