Home / 1,412,559.40-2,118,839.10-1,012,354.60

Finding the Fourth Proportional to 1,412,559.40, 2,118,839.10 and 1,012,354.60

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Solution

The fourth proportional to 1,412,559.40, 2,118,839.10 and 1,012,354.60 is: 1,518,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,559.40 : 2,118,839.10 = 1,012,354.60 : x
  2. Step 2: Convert to fraction form
    1,412,559.40/2,118,839.10 = 1,012,354.60/x
  3. Step 3: Cross multiply
    1,412,559.40x = 2,118,839.10 × 1,012,354.60
  4. Step 4: Simplify right side
    1,412,559.40x = 2,145,016,509,544.86
  5. Step 5: Solve for x
    x = 2,145,016,509,544.86/1,412,559.40
  6. Step 6: Final answer
    x = 1,518,531.90

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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.