Home / 1,738,521.87-2,607,742.09-459,218.62

Finding the Fourth Proportional to 1,738,521.87, 2,607,742.09 and 459,218.62

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Solution

The fourth proportional to 1,738,521.87, 2,607,742.09 and 459,218.62 is: 688,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,521.87 : 2,607,742.09 = 459,218.62 : x
  2. Step 2: Convert to fraction form
    1,738,521.87/2,607,742.09 = 459,218.62/x
  3. Step 3: Cross multiply
    1,738,521.87x = 2,607,742.09 × 459,218.62
  4. Step 4: Simplify right side
    1,738,521.87x = 1,197,523,723,885.72
  5. Step 5: Solve for x
    x = 1,197,523,723,885.72/1,738,521.87
  6. Step 6: Final answer
    x = 688,817.18

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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.