Home / 1,259,152.02-1,737,579.20-686,179.89

Finding the Fourth Proportional to 1,259,152.02, 1,737,579.20 and 686,179.89

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Solution

The fourth proportional to 1,259,152.02, 1,737,579.20 and 686,179.89 is: 946,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,152.02 : 1,737,579.20 = 686,179.89 : x
  2. Step 2: Convert to fraction form
    1,259,152.02/1,737,579.20 = 686,179.89/x
  3. Step 3: Cross multiply
    1,259,152.02x = 1,737,579.20 × 686,179.89
  4. Step 4: Simplify right side
    1,259,152.02x = 1,192,291,900,891.39
  5. Step 5: Solve for x
    x = 1,192,291,900,891.39/1,259,152.02
  6. Step 6: Final answer
    x = 946,900.68

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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.