Home / 1,147,221.36-1,583,100.45-637,912.80

Finding the Fourth Proportional to 1,147,221.36, 1,583,100.45 and 637,912.80

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Solution

The fourth proportional to 1,147,221.36, 1,583,100.45 and 637,912.80 is: 880,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,221.36 : 1,583,100.45 = 637,912.80 : x
  2. Step 2: Convert to fraction form
    1,147,221.36/1,583,100.45 = 637,912.80/x
  3. Step 3: Cross multiply
    1,147,221.36x = 1,583,100.45 × 637,912.80
  4. Step 4: Simplify right side
    1,147,221.36x = 1,009,880,040,740.76
  5. Step 5: Solve for x
    x = 1,009,880,040,740.76/1,147,221.36
  6. Step 6: Final answer
    x = 880,283.51

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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.