Home / 488,724.77-674,440.16-297,738.02

Finding the Fourth Proportional to 488,724.77, 674,440.16 and 297,738.02

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Solution

The fourth proportional to 488,724.77, 674,440.16 and 297,738.02 is: 410,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,724.77 : 674,440.16 = 297,738.02 : x
  2. Step 2: Convert to fraction form
    488,724.77/674,440.16 = 297,738.02/x
  3. Step 3: Cross multiply
    488,724.77x = 674,440.16 × 297,738.02
  4. Step 4: Simplify right side
    488,724.77x = 200,806,472,985.99
  5. Step 5: Solve for x
    x = 200,806,472,985.99/488,724.77
  6. Step 6: Final answer
    x = 410,878.45

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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.