Home / 769,755.69-1,062,244.49-430,255.53

Finding the Fourth Proportional to 769,755.69, 1,062,244.49 and 430,255.53

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Solution

The fourth proportional to 769,755.69, 1,062,244.49 and 430,255.53 is: 593,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,755.69 : 1,062,244.49 = 430,255.53 : x
  2. Step 2: Convert to fraction form
    769,755.69/1,062,244.49 = 430,255.53/x
  3. Step 3: Cross multiply
    769,755.69x = 1,062,244.49 × 430,255.53
  4. Step 4: Simplify right side
    769,755.69x = 457,036,566,034.53
  5. Step 5: Solve for x
    x = 457,036,566,034.53/769,755.69
  6. Step 6: Final answer
    x = 593,742.37

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Double scale
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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.