Home / 531,988.20-734,043-317,148.24

Finding the Fourth Proportional to 531,988.20, 734,043 and 317,148.24

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Solution

The fourth proportional to 531,988.20, 734,043 and 317,148.24 is: 437,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,988.20 : 734,043 = 317,148.24 : x
  2. Step 2: Convert to fraction form
    531,988.20/734,043 = 317,148.24/x
  3. Step 3: Cross multiply
    531,988.20x = 734,043 × 317,148.24
  4. Step 4: Simplify right side
    531,988.20x = 232,800,445,534.32
  5. Step 5: Solve for x
    x = 232,800,445,534.32/531,988.20
  6. Step 6: Final answer
    x = 437,604.53

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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.