Home / 705,027.61-972,835.45-403,163.29

Finding the Fourth Proportional to 705,027.61, 972,835.45 and 403,163.29

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Solution

The fourth proportional to 705,027.61, 972,835.45 and 403,163.29 is: 556,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,027.61 : 972,835.45 = 403,163.29 : x
  2. Step 2: Convert to fraction form
    705,027.61/972,835.45 = 403,163.29/x
  3. Step 3: Cross multiply
    705,027.61x = 972,835.45 × 403,163.29
  4. Step 4: Simplify right side
    705,027.61x = 392,211,540,650.63
  5. Step 5: Solve for x
    x = 392,211,540,650.63/705,027.61
  6. Step 6: Final answer
    x = 556,306.64

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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.