Home / 941,005.95-1,410,715.52-408,125.78

Finding the Fourth Proportional to 941,005.95, 1,410,715.52 and 408,125.78

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Solution

The fourth proportional to 941,005.95, 1,410,715.52 and 408,125.78 is: 611,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,005.95 : 1,410,715.52 = 408,125.78 : x
  2. Step 2: Convert to fraction form
    941,005.95/1,410,715.52 = 408,125.78/x
  3. Step 3: Cross multiply
    941,005.95x = 1,410,715.52 × 408,125.78
  4. Step 4: Simplify right side
    941,005.95x = 575,749,371,958.11
  5. Step 5: Solve for x
    x = 575,749,371,958.11/941,005.95
  6. Step 6: Final answer
    x = 611,844.56

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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.