Home / 1,256,907.20-1,734,535.68-683,947.52

Finding the Fourth Proportional to 1,256,907.20, 1,734,535.68 and 683,947.52

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Solution

The fourth proportional to 1,256,907.20, 1,734,535.68 and 683,947.52 is: 943,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,907.20 : 1,734,535.68 = 683,947.52 : x
  2. Step 2: Convert to fraction form
    1,256,907.20/1,734,535.68 = 683,947.52/x
  3. Step 3: Cross multiply
    1,256,907.20x = 1,734,535.68 × 683,947.52
  4. Step 4: Simplify right side
    1,256,907.20x = 1,186,331,376,687.51
  5. Step 5: Solve for x
    x = 1,186,331,376,687.51/1,256,907.20
  6. Step 6: Final answer
    x = 943,849.61

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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.