Home / 1,299,642.21-1,793,385.89-718,852.84

Finding the Fourth Proportional to 1,299,642.21, 1,793,385.89 and 718,852.84

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Solution

The fourth proportional to 1,299,642.21, 1,793,385.89 and 718,852.84 is: 991,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,642.21 : 1,793,385.89 = 718,852.84 : x
  2. Step 2: Convert to fraction form
    1,299,642.21/1,793,385.89 = 718,852.84/x
  3. Step 3: Cross multiply
    1,299,642.21x = 1,793,385.89 × 718,852.84
  4. Step 4: Simplify right side
    1,299,642.21x = 1,289,180,541,585.59
  5. Step 5: Solve for x
    x = 1,289,180,541,585.59/1,299,642.21
  6. Step 6: Final answer
    x = 991,950.35

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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.