Home / 945,618.54-1,418,690.25-525,189.66

Finding the Fourth Proportional to 945,618.54, 1,418,690.25 and 525,189.66

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Solution

The fourth proportional to 945,618.54, 1,418,690.25 and 525,189.66 is: 787,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,618.54 : 1,418,690.25 = 525,189.66 : x
  2. Step 2: Convert to fraction form
    945,618.54/1,418,690.25 = 525,189.66/x
  3. Step 3: Cross multiply
    945,618.54x = 1,418,690.25 × 525,189.66
  4. Step 4: Simplify right side
    945,618.54x = 745,081,450,042.82
  5. Step 5: Solve for x
    x = 745,081,450,042.82/945,618.54
  6. Step 6: Final answer
    x = 787,930.25

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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.