Home / 1,023,647.66-1,535,416.13-313,677.75

Finding the Fourth Proportional to 1,023,647.66, 1,535,416.13 and 313,677.75

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Solution

The fourth proportional to 1,023,647.66, 1,535,416.13 and 313,677.75 is: 470,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,647.66 : 1,535,416.13 = 313,677.75 : x
  2. Step 2: Convert to fraction form
    1,023,647.66/1,535,416.13 = 313,677.75/x
  3. Step 3: Cross multiply
    1,023,647.66x = 1,535,416.13 × 313,677.75
  4. Step 4: Simplify right side
    1,023,647.66x = 481,625,875,403.72
  5. Step 5: Solve for x
    x = 481,625,875,403.72/1,023,647.66
  6. Step 6: Final answer
    x = 470,499.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.