Home / 1,111,137.01-1,666,693.36-269,688.76

Finding the Fourth Proportional to 1,111,137.01, 1,666,693.36 and 269,688.76

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Solution

The fourth proportional to 1,111,137.01, 1,666,693.36 and 269,688.76 is: 404,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,137.01 : 1,666,693.36 = 269,688.76 : x
  2. Step 2: Convert to fraction form
    1,111,137.01/1,666,693.36 = 269,688.76/x
  3. Step 3: Cross multiply
    1,111,137.01x = 1,666,693.36 × 269,688.76
  4. Step 4: Simplify right side
    1,111,137.01x = 449,488,460,717.68
  5. Step 5: Solve for x
    x = 449,488,460,717.68/1,111,137.01
  6. Step 6: Final answer
    x = 404,530.19

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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.