Home / 727,025.94-1,003,328.91-404,756.51

Finding the Fourth Proportional to 727,025.94, 1,003,328.91 and 404,756.51

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Solution

The fourth proportional to 727,025.94, 1,003,328.91 and 404,756.51 is: 558,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,025.94 : 1,003,328.91 = 404,756.51 : x
  2. Step 2: Convert to fraction form
    727,025.94/1,003,328.91 = 404,756.51/x
  3. Step 3: Cross multiply
    727,025.94x = 1,003,328.91 × 404,756.51
  4. Step 4: Simplify right side
    727,025.94x = 406,103,902,977.06
  5. Step 5: Solve for x
    x = 406,103,902,977.06/727,025.94
  6. Step 6: Final answer
    x = 558,582.41

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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.