Home / 1,971,287.70-2,956,712.85-551,487.30

Finding the Fourth Proportional to 1,971,287.70, 2,956,712.85 and 551,487.30

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Solution

The fourth proportional to 1,971,287.70, 2,956,712.85 and 551,487.30 is: 827,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,287.70 : 2,956,712.85 = 551,487.30 : x
  2. Step 2: Convert to fraction form
    1,971,287.70/2,956,712.85 = 551,487.30/x
  3. Step 3: Cross multiply
    1,971,287.70x = 2,956,712.85 × 551,487.30
  4. Step 4: Simplify right side
    1,971,287.70x = 1,630,589,586,521.81
  5. Step 5: Solve for x
    x = 1,630,589,586,521.81/1,971,287.70
  6. Step 6: Final answer
    x = 827,169.77

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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.