Home / 930,613.74-1,283,919.96-608,512.38

Finding the Fourth Proportional to 930,613.74, 1,283,919.96 and 608,512.38

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Solution

The fourth proportional to 930,613.74, 1,283,919.96 and 608,512.38 is: 839,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,613.74 : 1,283,919.96 = 608,512.38 : x
  2. Step 2: Convert to fraction form
    930,613.74/1,283,919.96 = 608,512.38/x
  3. Step 3: Cross multiply
    930,613.74x = 1,283,919.96 × 608,512.38
  4. Step 4: Simplify right side
    930,613.74x = 781,281,190,589.11
  5. Step 5: Solve for x
    x = 781,281,190,589.11/930,613.74
  6. Step 6: Final answer
    x = 839,533.26

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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.