Home / 716,092.41-988,232.90-393,827.43

Finding the Fourth Proportional to 716,092.41, 988,232.90 and 393,827.43

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Solution

The fourth proportional to 716,092.41, 988,232.90 and 393,827.43 is: 543,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,092.41 : 988,232.90 = 393,827.43 : x
  2. Step 2: Convert to fraction form
    716,092.41/988,232.90 = 393,827.43/x
  3. Step 3: Cross multiply
    716,092.41x = 988,232.90 × 393,827.43
  4. Step 4: Simplify right side
    716,092.41x = 389,193,221,279.31
  5. Step 5: Solve for x
    x = 389,193,221,279.31/716,092.41
  6. Step 6: Final answer
    x = 543,495.81

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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.