Home / 910,183.91-1,364,839.58-430,011.99

Finding the Fourth Proportional to 910,183.91, 1,364,839.58 and 430,011.99

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Solution

The fourth proportional to 910,183.91, 1,364,839.58 and 430,011.99 is: 644,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,183.91 : 1,364,839.58 = 430,011.99 : x
  2. Step 2: Convert to fraction form
    910,183.91/1,364,839.58 = 430,011.99/x
  3. Step 3: Cross multiply
    910,183.91x = 1,364,839.58 × 430,011.99
  4. Step 4: Simplify right side
    910,183.91x = 586,897,381,676.50
  5. Step 5: Solve for x
    x = 586,897,381,676.50/910,183.91
  6. Step 6: Final answer
    x = 644,811.87

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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.