Home / 952,981.55-1,429,647.73-313,321.40

Finding the Fourth Proportional to 952,981.55, 1,429,647.73 and 313,321.40

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Solution

The fourth proportional to 952,981.55, 1,429,647.73 and 313,321.40 is: 470,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,981.55 : 1,429,647.73 = 313,321.40 : x
  2. Step 2: Convert to fraction form
    952,981.55/1,429,647.73 = 313,321.40/x
  3. Step 3: Cross multiply
    952,981.55x = 1,429,647.73 × 313,321.40
  4. Step 4: Simplify right side
    952,981.55x = 447,939,228,270.42
  5. Step 5: Solve for x
    x = 447,939,228,270.42/952,981.55
  6. Step 6: Final answer
    x = 470,039.77

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1.5x scale

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.