Home / 950,500.84-1,311,690.90-520,797.28

Finding the Fourth Proportional to 950,500.84, 1,311,690.90 and 520,797.28

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Solution

The fourth proportional to 950,500.84, 1,311,690.90 and 520,797.28 is: 718,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,500.84 : 1,311,690.90 = 520,797.28 : x
  2. Step 2: Convert to fraction form
    950,500.84/1,311,690.90 = 520,797.28/x
  3. Step 3: Cross multiply
    950,500.84x = 1,311,690.90 × 520,797.28
  4. Step 4: Simplify right side
    950,500.84x = 683,125,052,920.75
  5. Step 5: Solve for x
    x = 683,125,052,920.75/950,500.84
  6. Step 6: Final answer
    x = 718,700.10

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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.