Home / 1,124,405.46-1,685,433.15-492,786.90

Finding the Fourth Proportional to 1,124,405.46, 1,685,433.15 and 492,786.90

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Solution

The fourth proportional to 1,124,405.46, 1,685,433.15 and 492,786.90 is: 738,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,405.46 : 1,685,433.15 = 492,786.90 : x
  2. Step 2: Convert to fraction form
    1,124,405.46/1,685,433.15 = 492,786.90/x
  3. Step 3: Cross multiply
    1,124,405.46x = 1,685,433.15 × 492,786.90
  4. Step 4: Simplify right side
    1,124,405.46x = 830,559,377,145.74
  5. Step 5: Solve for x
    x = 830,559,377,145.74/1,124,405.46
  6. Step 6: Final answer
    x = 738,665.37

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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.