Home / 712,812.20-1,067,727.90-334,056.20

Finding the Fourth Proportional to 712,812.20, 1,067,727.90 and 334,056.20

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Solution

The fourth proportional to 712,812.20, 1,067,727.90 and 334,056.20 is: 500,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,812.20 : 1,067,727.90 = 334,056.20 : x
  2. Step 2: Convert to fraction form
    712,812.20/1,067,727.90 = 334,056.20/x
  3. Step 3: Cross multiply
    712,812.20x = 1,067,727.90 × 334,056.20
  4. Step 4: Simplify right side
    712,812.20x = 356,681,124,907.98
  5. Step 5: Solve for x
    x = 356,681,124,907.98/712,812.20
  6. Step 6: Final answer
    x = 500,385.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.