Home / 763,068.88-1,052,845.32-423,452.08

Finding the Fourth Proportional to 763,068.88, 1,052,845.32 and 423,452.08

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Solution

The fourth proportional to 763,068.88, 1,052,845.32 and 423,452.08 is: 584,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,068.88 : 1,052,845.32 = 423,452.08 : x
  2. Step 2: Convert to fraction form
    763,068.88/1,052,845.32 = 423,452.08/x
  3. Step 3: Cross multiply
    763,068.88x = 1,052,845.32 × 423,452.08
  4. Step 4: Simplify right side
    763,068.88x = 445,829,540,672.27
  5. Step 5: Solve for x
    x = 445,829,540,672.27/763,068.88
  6. Step 6: Final answer
    x = 584,258.58

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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.