Home / 1,326,351.64-1,989,524.96-415,603.83

Finding the Fourth Proportional to 1,326,351.64, 1,989,524.96 and 415,603.83

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Solution

The fourth proportional to 1,326,351.64, 1,989,524.96 and 415,603.83 is: 623,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,351.64 : 1,989,524.96 = 415,603.83 : x
  2. Step 2: Convert to fraction form
    1,326,351.64/1,989,524.96 = 415,603.83/x
  3. Step 3: Cross multiply
    1,326,351.64x = 1,989,524.96 × 415,603.83
  4. Step 4: Simplify right side
    1,326,351.64x = 826,854,193,256.60
  5. Step 5: Solve for x
    x = 826,854,193,256.60/1,326,351.64
  6. Step 6: Final answer
    x = 623,404.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.