Home / 1,393,339.80-1,922,828.85-1,043,860.98

Finding the Fourth Proportional to 1,393,339.80, 1,922,828.85 and 1,043,860.98

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Solution

The fourth proportional to 1,393,339.80, 1,922,828.85 and 1,043,860.98 is: 1,440,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,339.80 : 1,922,828.85 = 1,043,860.98 : x
  2. Step 2: Convert to fraction form
    1,393,339.80/1,922,828.85 = 1,043,860.98/x
  3. Step 3: Cross multiply
    1,393,339.80x = 1,922,828.85 × 1,043,860.98
  4. Step 4: Simplify right side
    1,393,339.80x = 2,007,166,007,733.27
  5. Step 5: Solve for x
    x = 2,007,166,007,733.27/1,393,339.80
  6. Step 6: Final answer
    x = 1,440,543.08

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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.