Home / 1,236,831.90-1,855,053.45-437,999.10

Finding the Fourth Proportional to 1,236,831.90, 1,855,053.45 and 437,999.10

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Solution

The fourth proportional to 1,236,831.90, 1,855,053.45 and 437,999.10 is: 656,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,831.90 : 1,855,053.45 = 437,999.10 : x
  2. Step 2: Convert to fraction form
    1,236,831.90/1,855,053.45 = 437,999.10/x
  3. Step 3: Cross multiply
    1,236,831.90x = 1,855,053.45 × 437,999.10
  4. Step 4: Simplify right side
    1,236,831.90x = 812,511,741,551.90
  5. Step 5: Solve for x
    x = 812,511,741,551.90/1,236,831.90
  6. Step 6: Final answer
    x = 656,929.81

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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.