Home / 1,653,580.45-2,281,881.86-928,458.73

Finding the Fourth Proportional to 1,653,580.45, 2,281,881.86 and 928,458.73

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Solution

The fourth proportional to 1,653,580.45, 2,281,881.86 and 928,458.73 is: 1,281,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,580.45 : 2,281,881.86 = 928,458.73 : x
  2. Step 2: Convert to fraction form
    1,653,580.45/2,281,881.86 = 928,458.73/x
  3. Step 3: Cross multiply
    1,653,580.45x = 2,281,881.86 × 928,458.73
  4. Step 4: Simplify right side
    1,653,580.45x = 2,118,633,126,408.33
  5. Step 5: Solve for x
    x = 2,118,633,126,408.33/1,653,580.45
  6. Step 6: Final answer
    x = 1,281,239.83

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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.