Home / 810,339.80-1,117,542.48-674,822.48

Finding the Fourth Proportional to 810,339.80, 1,117,542.48 and 674,822.48

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Solution

The fourth proportional to 810,339.80, 1,117,542.48 and 674,822.48 is: 930,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,339.80 : 1,117,542.48 = 674,822.48 : x
  2. Step 2: Convert to fraction form
    810,339.80/1,117,542.48 = 674,822.48/x
  3. Step 3: Cross multiply
    810,339.80x = 1,117,542.48 × 674,822.48
  4. Step 4: Simplify right side
    810,339.80x = 754,142,787,858.95
  5. Step 5: Solve for x
    x = 754,142,787,858.95/810,339.80
  6. Step 6: Final answer
    x = 930,650.07

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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.