Home / 705,027.37-972,835.10-403,163.05

Finding the Fourth Proportional to 705,027.37, 972,835.10 and 403,163.05

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Solution

The fourth proportional to 705,027.37, 972,835.10 and 403,163.05 is: 556,306.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,027.37 : 972,835.10 = 403,163.05 : x
  2. Step 2: Convert to fraction form
    705,027.37/972,835.10 = 403,163.05/x
  3. Step 3: Cross multiply
    705,027.37x = 972,835.10 × 403,163.05
  4. Step 4: Simplify right side
    705,027.37x = 392,211,161,198.88
  5. Step 5: Solve for x
    x = 392,211,161,198.88/705,027.37
  6. Step 6: Final answer
    x = 556,306.29

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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.