Home / 823,317.76-1,135,651.30-660,365.27

Finding the Fourth Proportional to 823,317.76, 1,135,651.30 and 660,365.27

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Solution

The fourth proportional to 823,317.76, 1,135,651.30 and 660,365.27 is: 910,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,317.76 : 1,135,651.30 = 660,365.27 : x
  2. Step 2: Convert to fraction form
    823,317.76/1,135,651.30 = 660,365.27/x
  3. Step 3: Cross multiply
    823,317.76x = 1,135,651.30 × 660,365.27
  4. Step 4: Simplify right side
    823,317.76x = 749,944,668,370.27
  5. Step 5: Solve for x
    x = 749,944,668,370.27/823,317.76
  6. Step 6: Final answer
    x = 910,881.20

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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.