Home / 1,021,625.25-1,409,790.72-562,729.94

Finding the Fourth Proportional to 1,021,625.25, 1,409,790.72 and 562,729.94

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Solution

The fourth proportional to 1,021,625.25, 1,409,790.72 and 562,729.94 is: 776,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,625.25 : 1,409,790.72 = 562,729.94 : x
  2. Step 2: Convert to fraction form
    1,021,625.25/1,409,790.72 = 562,729.94/x
  3. Step 3: Cross multiply
    1,021,625.25x = 1,409,790.72 × 562,729.94
  4. Step 4: Simplify right side
    1,021,625.25x = 793,331,447,278.16
  5. Step 5: Solve for x
    x = 793,331,447,278.16/1,021,625.25
  6. Step 6: Final answer
    x = 776,538.61

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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.