Home / 1,042,191.10-1,562,202.78-402,933.88

Finding the Fourth Proportional to 1,042,191.10, 1,562,202.78 and 402,933.88

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Solution

The fourth proportional to 1,042,191.10, 1,562,202.78 and 402,933.88 is: 603,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,191.10 : 1,562,202.78 = 402,933.88 : x
  2. Step 2: Convert to fraction form
    1,042,191.10/1,562,202.78 = 402,933.88/x
  3. Step 3: Cross multiply
    1,042,191.10x = 1,562,202.78 × 402,933.88
  4. Step 4: Simplify right side
    1,042,191.10x = 629,464,427,492.19
  5. Step 5: Solve for x
    x = 629,464,427,492.19/1,042,191.10
  6. Step 6: Final answer
    x = 603,981.77

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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.