Home / 409,440.08-565,018.80-228,151.28

Finding the Fourth Proportional to 409,440.08, 565,018.80 and 228,151.28

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Solution

The fourth proportional to 409,440.08, 565,018.80 and 228,151.28 is: 314,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,440.08 : 565,018.80 = 228,151.28 : x
  2. Step 2: Convert to fraction form
    409,440.08/565,018.80 = 228,151.28/x
  3. Step 3: Cross multiply
    409,440.08x = 565,018.80 × 228,151.28
  4. Step 4: Simplify right side
    409,440.08x = 128,909,762,444.06
  5. Step 5: Solve for x
    x = 128,909,762,444.06/409,440.08
  6. Step 6: Final answer
    x = 314,844.02

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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.