Home / 1,176,380.40-1,765,492.20-545,372.40

Finding the Fourth Proportional to 1,176,380.40, 1,765,492.20 and 545,372.40

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Solution

The fourth proportional to 1,176,380.40, 1,765,492.20 and 545,372.40 is: 818,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,380.40 : 1,765,492.20 = 545,372.40 : x
  2. Step 2: Convert to fraction form
    1,176,380.40/1,765,492.20 = 545,372.40/x
  3. Step 3: Cross multiply
    1,176,380.40x = 1,765,492.20 × 545,372.40
  4. Step 4: Simplify right side
    1,176,380.40x = 962,850,718,295.28
  5. Step 5: Solve for x
    x = 962,850,718,295.28/1,176,380.40
  6. Step 6: Final answer
    x = 818,485.86

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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.