Home / 1,267,433.40-1,900,748.34-414,311.88

Finding the Fourth Proportional to 1,267,433.40, 1,900,748.34 and 414,311.88

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Solution

The fourth proportional to 1,267,433.40, 1,900,748.34 and 414,311.88 is: 621,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,433.40 : 1,900,748.34 = 414,311.88 : x
  2. Step 2: Convert to fraction form
    1,267,433.40/1,900,748.34 = 414,311.88/x
  3. Step 3: Cross multiply
    1,267,433.40x = 1,900,748.34 × 414,311.88
  4. Step 4: Simplify right side
    1,267,433.40x = 787,502,618,152.28
  5. Step 5: Solve for x
    x = 787,502,618,152.28/1,267,433.40
  6. Step 6: Final answer
    x = 621,336.49

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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.