Home / 1,456,813.08-2,185,849.40-782,106.57

Finding the Fourth Proportional to 1,456,813.08, 2,185,849.40 and 782,106.57

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Solution

The fourth proportional to 1,456,813.08, 2,185,849.40 and 782,106.57 is: 1,173,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,813.08 : 2,185,849.40 = 782,106.57 : x
  2. Step 2: Convert to fraction form
    1,456,813.08/2,185,849.40 = 782,106.57/x
  3. Step 3: Cross multiply
    1,456,813.08x = 2,185,849.40 × 782,106.57
  4. Step 4: Simplify right side
    1,456,813.08x = 1,709,567,172,860.03
  5. Step 5: Solve for x
    x = 1,709,567,172,860.03/1,456,813.08
  6. Step 6: Final answer
    x = 1,173,497.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.