Home / 737,791.32-1,018,155.48-415,506.90

Finding the Fourth Proportional to 737,791.32, 1,018,155.48 and 415,506.90

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Solution

The fourth proportional to 737,791.32, 1,018,155.48 and 415,506.90 is: 573,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,791.32 : 1,018,155.48 = 415,506.90 : x
  2. Step 2: Convert to fraction form
    737,791.32/1,018,155.48 = 415,506.90/x
  3. Step 3: Cross multiply
    737,791.32x = 1,018,155.48 × 415,506.90
  4. Step 4: Simplify right side
    737,791.32x = 423,050,627,212.81
  5. Step 5: Solve for x
    x = 423,050,627,212.81/737,791.32
  6. Step 6: Final answer
    x = 573,401.47

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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.