Home / 952,981.29-1,429,647.35-313,321.15

Finding the Fourth Proportional to 952,981.29, 1,429,647.35 and 313,321.15

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Solution

The fourth proportional to 952,981.29, 1,429,647.35 and 313,321.15 is: 470,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,981.29 : 1,429,647.35 = 313,321.15 : x
  2. Step 2: Convert to fraction form
    952,981.29/1,429,647.35 = 313,321.15/x
  3. Step 3: Cross multiply
    952,981.29x = 1,429,647.35 × 313,321.15
  4. Step 4: Simplify right side
    952,981.29x = 447,938,751,796.45
  5. Step 5: Solve for x
    x = 447,938,751,796.45/952,981.29
  6. Step 6: Final answer
    x = 470,039.40

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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.