Home / 716,237.58-988,402.98-406,198.61

Finding the Fourth Proportional to 716,237.58, 988,402.98 and 406,198.61

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Solution

The fourth proportional to 716,237.58, 988,402.98 and 406,198.61 is: 560,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,237.58 : 988,402.98 = 406,198.61 : x
  2. Step 2: Convert to fraction form
    716,237.58/988,402.98 = 406,198.61/x
  3. Step 3: Cross multiply
    716,237.58x = 988,402.98 × 406,198.61
  4. Step 4: Simplify right side
    716,237.58x = 401,487,914,335.68
  5. Step 5: Solve for x
    x = 401,487,914,335.68/716,237.58
  6. Step 6: Final answer
    x = 560,551.31

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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.