Home / 832,488.89-1,148,711.54-488,194.94

Finding the Fourth Proportional to 832,488.89, 1,148,711.54 and 488,194.94

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Solution

The fourth proportional to 832,488.89, 1,148,711.54 and 488,194.94 is: 673,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,488.89 : 1,148,711.54 = 488,194.94 : x
  2. Step 2: Convert to fraction form
    832,488.89/1,148,711.54 = 488,194.94/x
  3. Step 3: Cross multiply
    832,488.89x = 1,148,711.54 × 488,194.94
  4. Step 4: Simplify right side
    832,488.89x = 560,795,165,439.87
  5. Step 5: Solve for x
    x = 560,795,165,439.87/832,488.89
  6. Step 6: Final answer
    x = 673,636.82

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Double scale
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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.