Home / 745,795.08-1,029,198.96-406,256.04

Finding the Fourth Proportional to 745,795.08, 1,029,198.96 and 406,256.04

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Solution

The fourth proportional to 745,795.08, 1,029,198.96 and 406,256.04 is: 560,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,795.08 : 1,029,198.96 = 406,256.04 : x
  2. Step 2: Convert to fraction form
    745,795.08/1,029,198.96 = 406,256.04/x
  3. Step 3: Cross multiply
    745,795.08x = 1,029,198.96 × 406,256.04
  4. Step 4: Simplify right side
    745,795.08x = 418,118,293,861.72
  5. Step 5: Solve for x
    x = 418,118,293,861.72/745,795.08
  6. Step 6: Final answer
    x = 560,634.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.