Home / 856,148.04-1,284,234.61-406,914.75

Finding the Fourth Proportional to 856,148.04, 1,284,234.61 and 406,914.75

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Solution

The fourth proportional to 856,148.04, 1,284,234.61 and 406,914.75 is: 610,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,148.04 : 1,284,234.61 = 406,914.75 : x
  2. Step 2: Convert to fraction form
    856,148.04/1,284,234.61 = 406,914.75/x
  3. Step 3: Cross multiply
    856,148.04x = 1,284,234.61 × 406,914.75
  4. Step 4: Simplify right side
    856,148.04x = 522,574,004,252.21
  5. Step 5: Solve for x
    x = 522,574,004,252.21/856,148.04
  6. Step 6: Final answer
    x = 610,378.09

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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.