Home / 579,821.89-800,241.69-353,598.61

Finding the Fourth Proportional to 579,821.89, 800,241.69 and 353,598.61

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Solution

The fourth proportional to 579,821.89, 800,241.69 and 353,598.61 is: 488,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,821.89 : 800,241.69 = 353,598.61 : x
  2. Step 2: Convert to fraction form
    579,821.89/800,241.69 = 353,598.61/x
  3. Step 3: Cross multiply
    579,821.89x = 800,241.69 × 353,598.61
  4. Step 4: Simplify right side
    579,821.89x = 282,964,349,248.05
  5. Step 5: Solve for x
    x = 282,964,349,248.05/579,821.89
  6. Step 6: Final answer
    x = 488,019.43

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1.5x scale

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.