Home / 1,214,670.60-1,818,470.03-636,923.88

Finding the Fourth Proportional to 1,214,670.60, 1,818,470.03 and 636,923.88

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Solution

The fourth proportional to 1,214,670.60, 1,818,470.03 and 636,923.88 is: 953,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,670.60 : 1,818,470.03 = 636,923.88 : x
  2. Step 2: Convert to fraction form
    1,214,670.60/1,818,470.03 = 636,923.88/x
  3. Step 3: Cross multiply
    1,214,670.60x = 1,818,470.03 × 636,923.88
  4. Step 4: Simplify right side
    1,214,670.60x = 1,158,226,983,986.70
  5. Step 5: Solve for x
    x = 1,158,226,983,986.70/1,214,670.60
  6. Step 6: Final answer
    x = 953,531.75

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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.