Home / 705,027.39-972,835.16-403,163.07

Finding the Fourth Proportional to 705,027.39, 972,835.16 and 403,163.07

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Solution

The fourth proportional to 705,027.39, 972,835.16 and 403,163.07 is: 556,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,027.39 : 972,835.16 = 403,163.07 : x
  2. Step 2: Convert to fraction form
    705,027.39/972,835.16 = 403,163.07/x
  3. Step 3: Cross multiply
    705,027.39x = 972,835.16 × 403,163.07
  4. Step 4: Simplify right side
    705,027.39x = 392,211,207,693.73
  5. Step 5: Solve for x
    x = 392,211,207,693.73/705,027.39
  6. Step 6: Final answer
    x = 556,306.34

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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.