Home / 1,116,310.11-1,540,321.14-657,516.03

Finding the Fourth Proportional to 1,116,310.11, 1,540,321.14 and 657,516.03

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Solution

The fourth proportional to 1,116,310.11, 1,540,321.14 and 657,516.03 is: 907,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,310.11 : 1,540,321.14 = 657,516.03 : x
  2. Step 2: Convert to fraction form
    1,116,310.11/1,540,321.14 = 657,516.03/x
  3. Step 3: Cross multiply
    1,116,310.11x = 1,540,321.14 × 657,516.03
  4. Step 4: Simplify right side
    1,116,310.11x = 1,012,785,833,196.27
  5. Step 5: Solve for x
    x = 1,012,785,833,196.27/1,116,310.11
  6. Step 6: Final answer
    x = 907,262.08

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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.