Home / 521,304.12-719,185.86-317,191.41

Finding the Fourth Proportional to 521,304.12, 719,185.86 and 317,191.41

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Solution

The fourth proportional to 521,304.12, 719,185.86 and 317,191.41 is: 437,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,304.12 : 719,185.86 = 317,191.41 : x
  2. Step 2: Convert to fraction form
    521,304.12/719,185.86 = 317,191.41/x
  3. Step 3: Cross multiply
    521,304.12x = 719,185.86 × 317,191.41
  4. Step 4: Simplify right side
    521,304.12x = 228,119,576,985.46
  5. Step 5: Solve for x
    x = 228,119,576,985.46/521,304.12
  6. Step 6: Final answer
    x = 437,594.04

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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.