Home / 1,172,830.46-1,618,495.09-663,532.83

Finding the Fourth Proportional to 1,172,830.46, 1,618,495.09 and 663,532.83

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Solution

The fourth proportional to 1,172,830.46, 1,618,495.09 and 663,532.83 is: 915,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,830.46 : 1,618,495.09 = 663,532.83 : x
  2. Step 2: Convert to fraction form
    1,172,830.46/1,618,495.09 = 663,532.83/x
  3. Step 3: Cross multiply
    1,172,830.46x = 1,618,495.09 × 663,532.83
  4. Step 4: Simplify right side
    1,172,830.46x = 1,073,924,627,408.80
  5. Step 5: Solve for x
    x = 1,073,924,627,408.80/1,172,830.46
  6. Step 6: Final answer
    x = 915,669.12

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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.