Home / 1,256,686.92-1,734,271.16-683,748.81

Finding the Fourth Proportional to 1,256,686.92, 1,734,271.16 and 683,748.81

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Solution

The fourth proportional to 1,256,686.92, 1,734,271.16 and 683,748.81 is: 943,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,686.92 : 1,734,271.16 = 683,748.81 : x
  2. Step 2: Convert to fraction form
    1,256,686.92/1,734,271.16 = 683,748.81/x
  3. Step 3: Cross multiply
    1,256,686.92x = 1,734,271.16 × 683,748.81
  4. Step 4: Simplify right side
    1,256,686.92x = 1,185,805,838,448.58
  5. Step 5: Solve for x
    x = 1,185,805,838,448.58/1,256,686.92
  6. Step 6: Final answer
    x = 943,596.87

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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.