Home / 1,137,606-1,569,896.28-628,341.18

Finding the Fourth Proportional to 1,137,606, 1,569,896.28 and 628,341.18

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Solution

The fourth proportional to 1,137,606, 1,569,896.28 and 628,341.18 is: 867,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,606 : 1,569,896.28 = 628,341.18 : x
  2. Step 2: Convert to fraction form
    1,137,606/1,569,896.28 = 628,341.18/x
  3. Step 3: Cross multiply
    1,137,606x = 1,569,896.28 × 628,341.18
  4. Step 4: Simplify right side
    1,137,606x = 986,430,481,052.81
  5. Step 5: Solve for x
    x = 986,430,481,052.81/1,137,606
  6. Step 6: Final answer
    x = 867,110.83

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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.