Home / 1,509,166.68-2,082,606.54-830,103.18

Finding the Fourth Proportional to 1,509,166.68, 2,082,606.54 and 830,103.18

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Solution

The fourth proportional to 1,509,166.68, 2,082,606.54 and 830,103.18 is: 1,145,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,166.68 : 2,082,606.54 = 830,103.18 : x
  2. Step 2: Convert to fraction form
    1,509,166.68/2,082,606.54 = 830,103.18/x
  3. Step 3: Cross multiply
    1,509,166.68x = 2,082,606.54 × 830,103.18
  4. Step 4: Simplify right side
    1,509,166.68x = 1,728,778,311,542.80
  5. Step 5: Solve for x
    x = 1,728,778,311,542.80/1,509,166.68
  6. Step 6: Final answer
    x = 1,145,518.47

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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.