Home / 823,650.40-1,236,274.57-397,486.16

Finding the Fourth Proportional to 823,650.40, 1,236,274.57 and 397,486.16

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Solution

The fourth proportional to 823,650.40, 1,236,274.57 and 397,486.16 is: 596,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,650.40 : 1,236,274.57 = 397,486.16 : x
  2. Step 2: Convert to fraction form
    823,650.40/1,236,274.57 = 397,486.16/x
  3. Step 3: Cross multiply
    823,650.40x = 1,236,274.57 × 397,486.16
  4. Step 4: Simplify right side
    823,650.40x = 491,402,031,534.95
  5. Step 5: Solve for x
    x = 491,402,031,534.95/823,650.40
  6. Step 6: Final answer
    x = 596,614.82

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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.