Home / 810,087.24-1,117,985.79-447,542.79

Finding the Fourth Proportional to 810,087.24, 1,117,985.79 and 447,542.79

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Solution

The fourth proportional to 810,087.24, 1,117,985.79 and 447,542.79 is: 617,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,087.24 : 1,117,985.79 = 447,542.79 : x
  2. Step 2: Convert to fraction form
    810,087.24/1,117,985.79 = 447,542.79/x
  3. Step 3: Cross multiply
    810,087.24x = 1,117,985.79 × 447,542.79
  4. Step 4: Simplify right side
    810,087.24x = 500,346,479,636.95
  5. Step 5: Solve for x
    x = 500,346,479,636.95/810,087.24
  6. Step 6: Final answer
    x = 617,645.18

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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.