Home / 1,041,329-1,561,395.72-409,898.36

Finding the Fourth Proportional to 1,041,329, 1,561,395.72 and 409,898.36

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Solution

The fourth proportional to 1,041,329, 1,561,395.72 and 409,898.36 is: 614,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,329 : 1,561,395.72 = 409,898.36 : x
  2. Step 2: Convert to fraction form
    1,041,329/1,561,395.72 = 409,898.36/x
  3. Step 3: Cross multiply
    1,041,329x = 1,561,395.72 × 409,898.36
  4. Step 4: Simplify right side
    1,041,329x = 640,013,544,939.02
  5. Step 5: Solve for x
    x = 640,013,544,939.02/1,041,329
  6. Step 6: Final answer
    x = 614,612.24

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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.