Home / 409,484.83-565,089.60-228,192.77

Finding the Fourth Proportional to 409,484.83, 565,089.60 and 228,192.77

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Solution

The fourth proportional to 409,484.83, 565,089.60 and 228,192.77 is: 314,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,484.83 : 565,089.60 = 228,192.77 : x
  2. Step 2: Convert to fraction form
    409,484.83/565,089.60 = 228,192.77/x
  3. Step 3: Cross multiply
    409,484.83x = 565,089.60 × 228,192.77
  4. Step 4: Simplify right side
    409,484.83x = 128,949,361,122.19
  5. Step 5: Solve for x
    x = 128,949,361,122.19/409,484.83
  6. Step 6: Final answer
    x = 314,906.32

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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.