Home / 1,306,771.56-1,959,803.64-359,917.20

Finding the Fourth Proportional to 1,306,771.56, 1,959,803.64 and 359,917.20

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Solution

The fourth proportional to 1,306,771.56, 1,959,803.64 and 359,917.20 is: 539,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,771.56 : 1,959,803.64 = 359,917.20 : x
  2. Step 2: Convert to fraction form
    1,306,771.56/1,959,803.64 = 359,917.20/x
  3. Step 3: Cross multiply
    1,306,771.56x = 1,959,803.64 × 359,917.20
  4. Step 4: Simplify right side
    1,306,771.56x = 705,367,038,658.61
  5. Step 5: Solve for x
    x = 705,367,038,658.61/1,306,771.56
  6. Step 6: Final answer
    x = 539,778.38

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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.