Home / 1,412,416.20-2,118,624.30-465,736.80

Finding the Fourth Proportional to 1,412,416.20, 2,118,624.30 and 465,736.80

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Solution

The fourth proportional to 1,412,416.20, 2,118,624.30 and 465,736.80 is: 698,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,416.20 : 2,118,624.30 = 465,736.80 : x
  2. Step 2: Convert to fraction form
    1,412,416.20/2,118,624.30 = 465,736.80/x
  3. Step 3: Cross multiply
    1,412,416.20x = 2,118,624.30 × 465,736.80
  4. Step 4: Simplify right side
    1,412,416.20x = 986,721,301,884.24
  5. Step 5: Solve for x
    x = 986,721,301,884.24/1,412,416.20
  6. Step 6: Final answer
    x = 698,605.20

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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.