Home / 1,108,845.31-1,530,114.54-625,529.23

Finding the Fourth Proportional to 1,108,845.31, 1,530,114.54 and 625,529.23

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Solution

The fourth proportional to 1,108,845.31, 1,530,114.54 and 625,529.23 is: 863,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,845.31 : 1,530,114.54 = 625,529.23 : x
  2. Step 2: Convert to fraction form
    1,108,845.31/1,530,114.54 = 625,529.23/x
  3. Step 3: Cross multiply
    1,108,845.31x = 1,530,114.54 × 625,529.23
  4. Step 4: Simplify right side
    1,108,845.31x = 957,131,370,018.00
  5. Step 5: Solve for x
    x = 957,131,370,018.00/1,108,845.31
  6. Step 6: Final answer
    x = 863,178.44

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Double scale
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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.