Home / 513,841.17-709,041.65-296,081.58

Finding the Fourth Proportional to 513,841.17, 709,041.65 and 296,081.58

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Solution

The fourth proportional to 513,841.17, 709,041.65 and 296,081.58 is: 408,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,841.17 : 709,041.65 = 296,081.58 : x
  2. Step 2: Convert to fraction form
    513,841.17/709,041.65 = 296,081.58/x
  3. Step 3: Cross multiply
    513,841.17x = 709,041.65 × 296,081.58
  4. Step 4: Simplify right side
    513,841.17x = 209,934,172,758.01
  5. Step 5: Solve for x
    x = 209,934,172,758.01/513,841.17
  6. Step 6: Final answer
    x = 408,558.49

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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.