Home / 1,393,339.71-1,922,622.71-773,134.59

Finding the Fourth Proportional to 1,393,339.71, 1,922,622.71 and 773,134.59

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Solution

The fourth proportional to 1,393,339.71, 1,922,622.71 and 773,134.59 is: 1,066,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,339.71 : 1,922,622.71 = 773,134.59 : x
  2. Step 2: Convert to fraction form
    1,393,339.71/1,922,622.71 = 773,134.59/x
  3. Step 3: Cross multiply
    1,393,339.71x = 1,922,622.71 × 773,134.59
  4. Step 4: Simplify right side
    1,393,339.71x = 1,486,446,116,754.87
  5. Step 5: Solve for x
    x = 1,486,446,116,754.87/1,393,339.71
  6. Step 6: Final answer
    x = 1,066,822.47

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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.