Home / 1,312,799.19-1,969,199.12-414,311.25

Finding the Fourth Proportional to 1,312,799.19, 1,969,199.12 and 414,311.25

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Solution

The fourth proportional to 1,312,799.19, 1,969,199.12 and 414,311.25 is: 621,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,799.19 : 1,969,199.12 = 414,311.25 : x
  2. Step 2: Convert to fraction form
    1,312,799.19/1,969,199.12 = 414,311.25/x
  3. Step 3: Cross multiply
    1,312,799.19x = 1,969,199.12 × 414,311.25
  4. Step 4: Simplify right side
    1,312,799.19x = 815,861,348,906.10
  5. Step 5: Solve for x
    x = 815,861,348,906.10/1,312,799.19
  6. Step 6: Final answer
    x = 621,466.98

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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.