Home / 616,727.91-847,812.83-530,370.57

Finding the Fourth Proportional to 616,727.91, 847,812.83 and 530,370.57

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Solution

The fourth proportional to 616,727.91, 847,812.83 and 530,370.57 is: 729,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,727.91 : 847,812.83 = 530,370.57 : x
  2. Step 2: Convert to fraction form
    616,727.91/847,812.83 = 530,370.57/x
  3. Step 3: Cross multiply
    616,727.91x = 847,812.83 × 530,370.57
  4. Step 4: Simplify right side
    616,727.91x = 449,654,973,900.41
  5. Step 5: Solve for x
    x = 449,654,973,900.41/616,727.91
  6. Step 6: Final answer
    x = 729,097.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.