Home / 1,112,045.70-1,534,606.38-628,593.87

Finding the Fourth Proportional to 1,112,045.70, 1,534,606.38 and 628,593.87

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Solution

The fourth proportional to 1,112,045.70, 1,534,606.38 and 628,593.87 is: 867,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,045.70 : 1,534,606.38 = 628,593.87 : x
  2. Step 2: Convert to fraction form
    1,112,045.70/1,534,606.38 = 628,593.87/x
  3. Step 3: Cross multiply
    1,112,045.70x = 1,534,606.38 × 628,593.87
  4. Step 4: Simplify right side
    1,112,045.70x = 964,644,163,330.89
  5. Step 5: Solve for x
    x = 964,644,163,330.89/1,112,045.70
  6. Step 6: Final answer
    x = 867,450.11

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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.