Home / 945,619.54-1,418,691.75-525,190.66

Finding the Fourth Proportional to 945,619.54, 1,418,691.75 and 525,190.66

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Solution

The fourth proportional to 945,619.54, 1,418,691.75 and 525,190.66 is: 787,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,619.54 : 1,418,691.75 = 525,190.66 : x
  2. Step 2: Convert to fraction form
    945,619.54/1,418,691.75 = 525,190.66/x
  3. Step 3: Cross multiply
    945,619.54x = 1,418,691.75 × 525,190.66
  4. Step 4: Simplify right side
    945,619.54x = 745,083,656,519.06
  5. Step 5: Solve for x
    x = 745,083,656,519.06/945,619.54
  6. Step 6: Final answer
    x = 787,931.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.