Home / 836,560.32-1,254,844.64-205,474.24

Finding the Fourth Proportional to 836,560.32, 1,254,844.64 and 205,474.24

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Solution

The fourth proportional to 836,560.32, 1,254,844.64 and 205,474.24 is: 308,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,560.32 : 1,254,844.64 = 205,474.24 : x
  2. Step 2: Convert to fraction form
    836,560.32/1,254,844.64 = 205,474.24/x
  3. Step 3: Cross multiply
    836,560.32x = 1,254,844.64 × 205,474.24
  4. Step 4: Simplify right side
    836,560.32x = 257,838,248,722.07
  5. Step 5: Solve for x
    x = 257,838,248,722.07/836,560.32
  6. Step 6: Final answer
    x = 308,212.38

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Double scale
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1.5x scale

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.