Home / 1,401,416.20-1,933,953.96-756,836.20

Finding the Fourth Proportional to 1,401,416.20, 1,933,953.96 and 756,836.20

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Solution

The fourth proportional to 1,401,416.20, 1,933,953.96 and 756,836.20 is: 1,044,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,416.20 : 1,933,953.96 = 756,836.20 : x
  2. Step 2: Convert to fraction form
    1,401,416.20/1,933,953.96 = 756,836.20/x
  3. Step 3: Cross multiply
    1,401,416.20x = 1,933,953.96 × 756,836.20
  4. Step 4: Simplify right side
    1,401,416.20x = 1,463,686,366,061.35
  5. Step 5: Solve for x
    x = 1,463,686,366,061.35/1,401,416.20
  6. Step 6: Final answer
    x = 1,044,433.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.