Home / 836,520.32-1,254,784.68-205,434.32

Finding the Fourth Proportional to 836,520.32, 1,254,784.68 and 205,434.32

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Solution

The fourth proportional to 836,520.32, 1,254,784.68 and 205,434.32 is: 308,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,520.32 : 1,254,784.68 = 205,434.32 : x
  2. Step 2: Convert to fraction form
    836,520.32/1,254,784.68 = 205,434.32/x
  3. Step 3: Cross multiply
    836,520.32x = 1,254,784.68 × 205,434.32
  4. Step 4: Simplify right side
    836,520.32x = 257,775,837,482.22
  5. Step 5: Solve for x
    x = 257,775,837,482.22/836,520.32
  6. Step 6: Final answer
    x = 308,152.51

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Double scale
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Similar ratio
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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.