Home / 727,949.50-1,004,577.64-401,274.12

Finding the Fourth Proportional to 727,949.50, 1,004,577.64 and 401,274.12

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Solution

The fourth proportional to 727,949.50, 1,004,577.64 and 401,274.12 is: 553,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,949.50 : 1,004,577.64 = 401,274.12 : x
  2. Step 2: Convert to fraction form
    727,949.50/1,004,577.64 = 401,274.12/x
  3. Step 3: Cross multiply
    727,949.50x = 1,004,577.64 × 401,274.12
  4. Step 4: Simplify right side
    727,949.50x = 403,111,008,462.68
  5. Step 5: Solve for x
    x = 403,111,008,462.68/727,949.50
  6. Step 6: Final answer
    x = 553,762.33

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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.