Home / 531,811.20-734,855.19-404,265.36

Finding the Fourth Proportional to 531,811.20, 734,855.19 and 404,265.36

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Solution

The fourth proportional to 531,811.20, 734,855.19 and 404,265.36 is: 558,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,811.20 : 734,855.19 = 404,265.36 : x
  2. Step 2: Convert to fraction form
    531,811.20/734,855.19 = 404,265.36/x
  3. Step 3: Cross multiply
    531,811.20x = 734,855.19 × 404,265.36
  4. Step 4: Simplify right side
    531,811.20x = 297,076,497,933.22
  5. Step 5: Solve for x
    x = 297,076,497,933.22/531,811.20
  6. Step 6: Final answer
    x = 558,612.71

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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.