Home / 739,795.24-1,020,807.96-449,255.70

Finding the Fourth Proportional to 739,795.24, 1,020,807.96 and 449,255.70

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Solution

The fourth proportional to 739,795.24, 1,020,807.96 and 449,255.70 is: 619,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,795.24 : 1,020,807.96 = 449,255.70 : x
  2. Step 2: Convert to fraction form
    739,795.24/1,020,807.96 = 449,255.70/x
  3. Step 3: Cross multiply
    739,795.24x = 1,020,807.96 × 449,255.70
  4. Step 4: Simplify right side
    739,795.24x = 458,603,800,889.83
  5. Step 5: Solve for x
    x = 458,603,800,889.83/739,795.24
  6. Step 6: Final answer
    x = 619,906.40

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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.