Home / 1,138,341.48-1,570,916.10-622,105.64

Finding the Fourth Proportional to 1,138,341.48, 1,570,916.10 and 622,105.64

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Solution

The fourth proportional to 1,138,341.48, 1,570,916.10 and 622,105.64 is: 858,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,341.48 : 1,570,916.10 = 622,105.64 : x
  2. Step 2: Convert to fraction form
    1,138,341.48/1,570,916.10 = 622,105.64/x
  3. Step 3: Cross multiply
    1,138,341.48x = 1,570,916.10 × 622,105.64
  4. Step 4: Simplify right side
    1,138,341.48x = 977,275,765,776.80
  5. Step 5: Solve for x
    x = 977,275,765,776.80/1,138,341.48
  6. Step 6: Final answer
    x = 858,508.44

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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.