Home / 1,238,221.56-1,857,020.63-479,802.77

Finding the Fourth Proportional to 1,238,221.56, 1,857,020.63 and 479,802.77

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Solution

The fourth proportional to 1,238,221.56, 1,857,020.63 and 479,802.77 is: 719,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,221.56 : 1,857,020.63 = 479,802.77 : x
  2. Step 2: Convert to fraction form
    1,238,221.56/1,857,020.63 = 479,802.77/x
  3. Step 3: Cross multiply
    1,238,221.56x = 1,857,020.63 × 479,802.77
  4. Step 4: Simplify right side
    1,238,221.56x = 891,003,630,537.03
  5. Step 5: Solve for x
    x = 891,003,630,537.03/1,238,221.56
  6. Step 6: Final answer
    x = 719,583.36

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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.