Home / 1,387,782.10-1,914,082.61-1,194,518.73

Finding the Fourth Proportional to 1,387,782.10, 1,914,082.61 and 1,194,518.73

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Solution

The fourth proportional to 1,387,782.10, 1,914,082.61 and 1,194,518.73 is: 1,647,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,782.10 : 1,914,082.61 = 1,194,518.73 : x
  2. Step 2: Convert to fraction form
    1,387,782.10/1,914,082.61 = 1,194,518.73/x
  3. Step 3: Cross multiply
    1,387,782.10x = 1,914,082.61 × 1,194,518.73
  4. Step 4: Simplify right side
    1,387,782.10x = 2,286,407,528,412.29
  5. Step 5: Solve for x
    x = 2,286,407,528,412.29/1,387,782.10
  6. Step 6: Final answer
    x = 1,647,526.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.