Home / 1,045,621.40-1,568,447.60-405,962.16

Finding the Fourth Proportional to 1,045,621.40, 1,568,447.60 and 405,962.16

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Solution

The fourth proportional to 1,045,621.40, 1,568,447.60 and 405,962.16 is: 608,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,621.40 : 1,568,447.60 = 405,962.16 : x
  2. Step 2: Convert to fraction form
    1,045,621.40/1,568,447.60 = 405,962.16/x
  3. Step 3: Cross multiply
    1,045,621.40x = 1,568,447.60 × 405,962.16
  4. Step 4: Simplify right side
    1,045,621.40x = 636,730,375,542.82
  5. Step 5: Solve for x
    x = 636,730,375,542.82/1,045,621.40
  6. Step 6: Final answer
    x = 608,949.26

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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.