Home / 812,764.98-1,121,566.23-450,167.27

Finding the Fourth Proportional to 812,764.98, 1,121,566.23 and 450,167.27

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Solution

The fourth proportional to 812,764.98, 1,121,566.23 and 450,167.27 is: 621,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,764.98 : 1,121,566.23 = 450,167.27 : x
  2. Step 2: Convert to fraction form
    812,764.98/1,121,566.23 = 450,167.27/x
  3. Step 3: Cross multiply
    812,764.98x = 1,121,566.23 × 450,167.27
  4. Step 4: Simplify right side
    812,764.98x = 504,892,402,275.46
  5. Step 5: Solve for x
    x = 504,892,402,275.46/812,764.98
  6. Step 6: Final answer
    x = 621,203.44

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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.