Home / 928,183.17-1,280,814.51-514,731.81

Finding the Fourth Proportional to 928,183.17, 1,280,814.51 and 514,731.81

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Solution

The fourth proportional to 928,183.17, 1,280,814.51 and 514,731.81 is: 710,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,183.17 : 1,280,814.51 = 514,731.81 : x
  2. Step 2: Convert to fraction form
    928,183.17/1,280,814.51 = 514,731.81/x
  3. Step 3: Cross multiply
    928,183.17x = 1,280,814.51 × 514,731.81
  4. Step 4: Simplify right side
    928,183.17x = 659,275,971,006.56
  5. Step 5: Solve for x
    x = 659,275,971,006.56/928,183.17
  6. Step 6: Final answer
    x = 710,286.50

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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.