Home / 1,263,670.20-1,895,505.30-785,373.30

Finding the Fourth Proportional to 1,263,670.20, 1,895,505.30 and 785,373.30

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Solution

The fourth proportional to 1,263,670.20, 1,895,505.30 and 785,373.30 is: 1,178,059.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,670.20 : 1,895,505.30 = 785,373.30 : x
  2. Step 2: Convert to fraction form
    1,263,670.20/1,895,505.30 = 785,373.30/x
  3. Step 3: Cross multiply
    1,263,670.20x = 1,895,505.30 × 785,373.30
  4. Step 4: Simplify right side
    1,263,670.20x = 1,488,679,252,628.49
  5. Step 5: Solve for x
    x = 1,488,679,252,628.49/1,263,670.20
  6. Step 6: Final answer
    x = 1,178,059.95

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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.