Home / 488,721.77-674,436.02-297,735.02

Finding the Fourth Proportional to 488,721.77, 674,436.02 and 297,735.02

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Solution

The fourth proportional to 488,721.77, 674,436.02 and 297,735.02 is: 410,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,721.77 : 674,436.02 = 297,735.02 : x
  2. Step 2: Convert to fraction form
    488,721.77/674,436.02 = 297,735.02/x
  3. Step 3: Cross multiply
    488,721.77x = 674,436.02 × 297,735.02
  4. Step 4: Simplify right side
    488,721.77x = 200,803,217,042.57
  5. Step 5: Solve for x
    x = 200,803,217,042.57/488,721.77
  6. Step 6: Final answer
    x = 410,874.31

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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.