Home / 1,042,185.35-1,562,194.16-402,928.13

Finding the Fourth Proportional to 1,042,185.35, 1,562,194.16 and 402,928.13

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Solution

The fourth proportional to 1,042,185.35, 1,562,194.16 and 402,928.13 is: 603,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,185.35 : 1,562,194.16 = 402,928.13 : x
  2. Step 2: Convert to fraction form
    1,042,185.35/1,562,194.16 = 402,928.13/x
  3. Step 3: Cross multiply
    1,042,185.35x = 1,562,194.16 × 402,928.13
  4. Step 4: Simplify right side
    1,042,185.35x = 629,451,974,987.55
  5. Step 5: Solve for x
    x = 629,451,974,987.55/1,042,185.35
  6. Step 6: Final answer
    x = 603,973.15

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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.