Home / 1,259,108.80-1,889,030.92-406,161.60

Finding the Fourth Proportional to 1,259,108.80, 1,889,030.92 and 406,161.60

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Solution

The fourth proportional to 1,259,108.80, 1,889,030.92 and 406,161.60 is: 609,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,108.80 : 1,889,030.92 = 406,161.60 : x
  2. Step 2: Convert to fraction form
    1,259,108.80/1,889,030.92 = 406,161.60/x
  3. Step 3: Cross multiply
    1,259,108.80x = 1,889,030.92 × 406,161.60
  4. Step 4: Simplify right side
    1,259,108.80x = 767,251,820,916.67
  5. Step 5: Solve for x
    x = 767,251,820,916.67/1,259,108.80
  6. Step 6: Final answer
    x = 609,361.02

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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.