Home / 1,263,785.18-1,743,597.70-719,535.88

Finding the Fourth Proportional to 1,263,785.18, 1,743,597.70 and 719,535.88

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Solution

The fourth proportional to 1,263,785.18, 1,743,597.70 and 719,535.88 is: 992,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,785.18 : 1,743,597.70 = 719,535.88 : x
  2. Step 2: Convert to fraction form
    1,263,785.18/1,743,597.70 = 719,535.88/x
  3. Step 3: Cross multiply
    1,263,785.18x = 1,743,597.70 × 719,535.88
  4. Step 4: Simplify right side
    1,263,785.18x = 1,254,581,101,837.80
  5. Step 5: Solve for x
    x = 1,254,581,101,837.80/1,263,785.18
  6. Step 6: Final answer
    x = 992,717.06

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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.