Home / 374,062.12-561,088.62-253,821.20

Finding the Fourth Proportional to 374,062.12, 561,088.62 and 253,821.20

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Solution

The fourth proportional to 374,062.12, 561,088.62 and 253,821.20 is: 380,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,062.12 : 561,088.62 = 253,821.20 : x
  2. Step 2: Convert to fraction form
    374,062.12/561,088.62 = 253,821.20/x
  3. Step 3: Cross multiply
    374,062.12x = 561,088.62 × 253,821.20
  4. Step 4: Simplify right side
    374,062.12x = 142,416,184,029.30
  5. Step 5: Solve for x
    x = 142,416,184,029.30/374,062.12
  6. Step 6: Final answer
    x = 380,728.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.