Home / 1,405,110.48-2,107,662.56-1,085,726.76

Finding the Fourth Proportional to 1,405,110.48, 2,107,662.56 and 1,085,726.76

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Solution

The fourth proportional to 1,405,110.48, 2,107,662.56 and 1,085,726.76 is: 1,628,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,110.48 : 2,107,662.56 = 1,085,726.76 : x
  2. Step 2: Convert to fraction form
    1,405,110.48/2,107,662.56 = 1,085,726.76/x
  3. Step 3: Cross multiply
    1,405,110.48x = 2,107,662.56 × 1,085,726.76
  4. Step 4: Simplify right side
    1,405,110.48x = 2,288,345,642,442.11
  5. Step 5: Solve for x
    x = 2,288,345,642,442.11/1,405,110.48
  6. Step 6: Final answer
    x = 1,628,587.70

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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.