Home / 1,107,516.36-1,661,327.31-538,219.20

Finding the Fourth Proportional to 1,107,516.36, 1,661,327.31 and 538,219.20

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Solution

The fourth proportional to 1,107,516.36, 1,661,327.31 and 538,219.20 is: 807,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,516.36 : 1,661,327.31 = 538,219.20 : x
  2. Step 2: Convert to fraction form
    1,107,516.36/1,661,327.31 = 538,219.20/x
  3. Step 3: Cross multiply
    1,107,516.36x = 1,661,327.31 × 538,219.20
  4. Step 4: Simplify right side
    1,107,516.36x = 894,158,255,726.35
  5. Step 5: Solve for x
    x = 894,158,255,726.35/1,107,516.36
  6. Step 6: Final answer
    x = 807,354.44

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Double scale
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1.5x scale

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.