Home / 1,104,780.70-1,657,171.05-394,831.90

Finding the Fourth Proportional to 1,104,780.70, 1,657,171.05 and 394,831.90

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Solution

The fourth proportional to 1,104,780.70, 1,657,171.05 and 394,831.90 is: 592,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,780.70 : 1,657,171.05 = 394,831.90 : x
  2. Step 2: Convert to fraction form
    1,104,780.70/1,657,171.05 = 394,831.90/x
  3. Step 3: Cross multiply
    1,104,780.70x = 1,657,171.05 × 394,831.90
  4. Step 4: Simplify right side
    1,104,780.70x = 654,303,994,296.50
  5. Step 5: Solve for x
    x = 654,303,994,296.50/1,104,780.70
  6. Step 6: Final answer
    x = 592,247.85

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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.