Home / 1,111,937.74-1,534,500.69-628,504.74

Finding the Fourth Proportional to 1,111,937.74, 1,534,500.69 and 628,504.74

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Solution

The fourth proportional to 1,111,937.74, 1,534,500.69 and 628,504.74 is: 867,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,937.74 : 1,534,500.69 = 628,504.74 : x
  2. Step 2: Convert to fraction form
    1,111,937.74/1,534,500.69 = 628,504.74/x
  3. Step 3: Cross multiply
    1,111,937.74x = 1,534,500.69 × 628,504.74
  4. Step 4: Simplify right side
    1,111,937.74x = 964,440,954,841.38
  5. Step 5: Solve for x
    x = 964,440,954,841.38/1,111,937.74
  6. Step 6: Final answer
    x = 867,351.58

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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.