Home / 836,036.91-1,153,733.18-491,885.82

Finding the Fourth Proportional to 836,036.91, 1,153,733.18 and 491,885.82

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Solution

The fourth proportional to 836,036.91, 1,153,733.18 and 491,885.82 is: 678,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,036.91 : 1,153,733.18 = 491,885.82 : x
  2. Step 2: Convert to fraction form
    836,036.91/1,153,733.18 = 491,885.82/x
  3. Step 3: Cross multiply
    836,036.91x = 1,153,733.18 × 491,885.82
  4. Step 4: Simplify right side
    836,036.91x = 567,504,988,846.08
  5. Step 5: Solve for x
    x = 567,504,988,846.08/836,036.91
  6. Step 6: Final answer
    x = 678,803.75

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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.