Home / 2,705,902.20-4,058,853.30-812,397.60

Finding the Fourth Proportional to 2,705,902.20, 4,058,853.30 and 812,397.60

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Solution

The fourth proportional to 2,705,902.20, 4,058,853.30 and 812,397.60 is: 1,218,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705,902.20 : 4,058,853.30 = 812,397.60 : x
  2. Step 2: Convert to fraction form
    2,705,902.20/4,058,853.30 = 812,397.60/x
  3. Step 3: Cross multiply
    2,705,902.20x = 4,058,853.30 × 812,397.60
  4. Step 4: Simplify right side
    2,705,902.20x = 3,297,402,679,672.08
  5. Step 5: Solve for x
    x = 3,297,402,679,672.08/2,705,902.20
  6. Step 6: Final answer
    x = 1,218,596.40

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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.