Home / 739,119.62-1,019,618.39-477,384.93

Finding the Fourth Proportional to 739,119.62, 1,019,618.39 and 477,384.93

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Solution

The fourth proportional to 739,119.62, 1,019,618.39 and 477,384.93 is: 658,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,119.62 : 1,019,618.39 = 477,384.93 : x
  2. Step 2: Convert to fraction form
    739,119.62/1,019,618.39 = 477,384.93/x
  3. Step 3: Cross multiply
    739,119.62x = 1,019,618.39 × 477,384.93
  4. Step 4: Simplify right side
    739,119.62x = 486,750,451,349.94
  5. Step 5: Solve for x
    x = 486,750,451,349.94/739,119.62
  6. Step 6: Final answer
    x = 658,554.37

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1.5x scale

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.