Home / 1,663,119.81-2,494,657.85-400,937.31

Finding the Fourth Proportional to 1,663,119.81, 2,494,657.85 and 400,937.31

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Solution

The fourth proportional to 1,663,119.81, 2,494,657.85 and 400,937.31 is: 601,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,119.81 : 2,494,657.85 = 400,937.31 : x
  2. Step 2: Convert to fraction form
    1,663,119.81/2,494,657.85 = 400,937.31/x
  3. Step 3: Cross multiply
    1,663,119.81x = 2,494,657.85 × 400,937.31
  4. Step 4: Simplify right side
    1,663,119.81x = 1,000,201,405,744.70
  5. Step 5: Solve for x
    x = 1,000,201,405,744.70/1,663,119.81
  6. Step 6: Final answer
    x = 601,400.69

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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.