Home / 1,366,922.67-1,886,275.11-816,259.74

Finding the Fourth Proportional to 1,366,922.67, 1,886,275.11 and 816,259.74

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Solution

The fourth proportional to 1,366,922.67, 1,886,275.11 and 816,259.74 is: 1,126,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,922.67 : 1,886,275.11 = 816,259.74 : x
  2. Step 2: Convert to fraction form
    1,366,922.67/1,886,275.11 = 816,259.74/x
  3. Step 3: Cross multiply
    1,366,922.67x = 1,886,275.11 × 816,259.74
  4. Step 4: Simplify right side
    1,366,922.67x = 1,539,690,430,857.07
  5. Step 5: Solve for x
    x = 1,539,690,430,857.07/1,366,922.67
  6. Step 6: Final answer
    x = 1,126,391.76

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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.