Home / 470,421.24-702,076.85-425,020.52

Finding the Fourth Proportional to 470,421.24, 702,076.85 and 425,020.52

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Solution

The fourth proportional to 470,421.24, 702,076.85 and 425,020.52 is: 634,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,421.24 : 702,076.85 = 425,020.52 : x
  2. Step 2: Convert to fraction form
    470,421.24/702,076.85 = 425,020.52/x
  3. Step 3: Cross multiply
    470,421.24x = 702,076.85 × 425,020.52
  4. Step 4: Simplify right side
    470,421.24x = 298,397,067,866.96
  5. Step 5: Solve for x
    x = 298,397,067,866.96/470,421.24
  6. Step 6: Final answer
    x = 634,318.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.