Home / 1,299,642.11-1,793,385.76-718,852.74

Finding the Fourth Proportional to 1,299,642.11, 1,793,385.76 and 718,852.74

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Solution

The fourth proportional to 1,299,642.11, 1,793,385.76 and 718,852.74 is: 991,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,642.11 : 1,793,385.76 = 718,852.74 : x
  2. Step 2: Convert to fraction form
    1,299,642.11/1,793,385.76 = 718,852.74/x
  3. Step 3: Cross multiply
    1,299,642.11x = 1,793,385.76 × 718,852.74
  4. Step 4: Simplify right side
    1,299,642.11x = 1,289,180,268,342.18
  5. Step 5: Solve for x
    x = 1,289,180,268,342.18/1,299,642.11
  6. Step 6: Final answer
    x = 991,950.21

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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.