Home / 1,137,624.75-1,569,922.16-628,359.93

Finding the Fourth Proportional to 1,137,624.75, 1,569,922.16 and 628,359.93

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Solution

The fourth proportional to 1,137,624.75, 1,569,922.16 and 628,359.93 is: 867,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,624.75 : 1,569,922.16 = 628,359.93 : x
  2. Step 2: Convert to fraction form
    1,137,624.75/1,569,922.16 = 628,359.93/x
  3. Step 3: Cross multiply
    1,137,624.75x = 1,569,922.16 × 628,359.93
  4. Step 4: Simplify right side
    1,137,624.75x = 986,476,175,421.25
  5. Step 5: Solve for x
    x = 986,476,175,421.25/1,137,624.75
  6. Step 6: Final answer
    x = 867,136.70

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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.