Home / 827,245.80-1,141,422.10-482,925.47

Finding the Fourth Proportional to 827,245.80, 1,141,422.10 and 482,925.47

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Solution

The fourth proportional to 827,245.80, 1,141,422.10 and 482,925.47 is: 666,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,245.80 : 1,141,422.10 = 482,925.47 : x
  2. Step 2: Convert to fraction form
    827,245.80/1,141,422.10 = 482,925.47/x
  3. Step 3: Cross multiply
    827,245.80x = 1,141,422.10 × 482,925.47
  4. Step 4: Simplify right side
    827,245.80x = 551,221,797,196.46
  5. Step 5: Solve for x
    x = 551,221,797,196.46/827,245.80
  6. Step 6: Final answer
    x = 666,333.75

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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.