Home / 1,138,631.34-1,571,317.48-622,385.94

Finding the Fourth Proportional to 1,138,631.34, 1,571,317.48 and 622,385.94

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Solution

The fourth proportional to 1,138,631.34, 1,571,317.48 and 622,385.94 is: 858,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,631.34 : 1,571,317.48 = 622,385.94 : x
  2. Step 2: Convert to fraction form
    1,138,631.34/1,571,317.48 = 622,385.94/x
  3. Step 3: Cross multiply
    1,138,631.34x = 1,571,317.48 × 622,385.94
  4. Step 4: Simplify right side
    1,138,631.34x = 977,965,906,828.23
  5. Step 5: Solve for x
    x = 977,965,906,828.23/1,138,631.34
  6. Step 6: Final answer
    x = 858,896.00

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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.