Home / 948,576.15-1,309,045.32-518,846.85

Finding the Fourth Proportional to 948,576.15, 1,309,045.32 and 518,846.85

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Solution

The fourth proportional to 948,576.15, 1,309,045.32 and 518,846.85 is: 716,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,576.15 : 1,309,045.32 = 518,846.85 : x
  2. Step 2: Convert to fraction form
    948,576.15/1,309,045.32 = 518,846.85/x
  3. Step 3: Cross multiply
    948,576.15x = 1,309,045.32 × 518,846.85
  4. Step 4: Simplify right side
    948,576.15x = 679,194,040,789.24
  5. Step 5: Solve for x
    x = 679,194,040,789.24/948,576.15
  6. Step 6: Final answer
    x = 716,014.25

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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.