Home / 470,422.24-702,078.34-425,021.52

Finding the Fourth Proportional to 470,422.24, 702,078.34 and 425,021.52

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Solution

The fourth proportional to 470,422.24, 702,078.34 and 425,021.52 is: 634,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,422.24 : 702,078.34 = 425,021.52 : x
  2. Step 2: Convert to fraction form
    470,422.24/702,078.34 = 425,021.52/x
  3. Step 3: Cross multiply
    470,422.24x = 702,078.34 × 425,021.52
  4. Step 4: Simplify right side
    470,422.24x = 298,398,403,225.88
  5. Step 5: Solve for x
    x = 298,398,403,225.88/470,422.24
  6. Step 6: Final answer
    x = 634,320.36

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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.