Home / 727,095.54-1,003,431.57-404,798.55

Finding the Fourth Proportional to 727,095.54, 1,003,431.57 and 404,798.55

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Solution

The fourth proportional to 727,095.54, 1,003,431.57 and 404,798.55 is: 558,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,095.54 : 1,003,431.57 = 404,798.55 : x
  2. Step 2: Convert to fraction form
    727,095.54/1,003,431.57 = 404,798.55/x
  3. Step 3: Cross multiply
    727,095.54x = 1,003,431.57 × 404,798.55
  4. Step 4: Simplify right side
    727,095.54x = 406,187,644,560.22
  5. Step 5: Solve for x
    x = 406,187,644,560.22/727,095.54
  6. Step 6: Final answer
    x = 558,644.12

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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.