Home / 1,325,021.02-1,829,665.70-1,282,173.58

Finding the Fourth Proportional to 1,325,021.02, 1,829,665.70 and 1,282,173.58

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Solution

The fourth proportional to 1,325,021.02, 1,829,665.70 and 1,282,173.58 is: 1,770,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,021.02 : 1,829,665.70 = 1,282,173.58 : x
  2. Step 2: Convert to fraction form
    1,325,021.02/1,829,665.70 = 1,282,173.58/x
  3. Step 3: Cross multiply
    1,325,021.02x = 1,829,665.70 × 1,282,173.58
  4. Step 4: Simplify right side
    1,325,021.02x = 2,345,949,020,772.21
  5. Step 5: Solve for x
    x = 2,345,949,020,772.21/1,325,021.02
  6. Step 6: Final answer
    x = 1,770,499.48

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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.