Home / 531,986.20-734,040.24-317,146.24

Finding the Fourth Proportional to 531,986.20, 734,040.24 and 317,146.24

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Solution

The fourth proportional to 531,986.20, 734,040.24 and 317,146.24 is: 437,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,986.20 : 734,040.24 = 317,146.24 : x
  2. Step 2: Convert to fraction form
    531,986.20/734,040.24 = 317,146.24/x
  3. Step 3: Cross multiply
    531,986.20x = 734,040.24 × 317,146.24
  4. Step 4: Simplify right side
    531,986.20x = 232,798,102,124.70
  5. Step 5: Solve for x
    x = 232,798,102,124.70/531,986.20
  6. Step 6: Final answer
    x = 437,601.77

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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.