Home / 406,145.19-560,627.55-236,379.36

Finding the Fourth Proportional to 406,145.19, 560,627.55 and 236,379.36

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Solution

The fourth proportional to 406,145.19, 560,627.55 and 236,379.36 is: 326,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,145.19 : 560,627.55 = 236,379.36 : x
  2. Step 2: Convert to fraction form
    406,145.19/560,627.55 = 236,379.36/x
  3. Step 3: Cross multiply
    406,145.19x = 560,627.55 × 236,379.36
  4. Step 4: Simplify right side
    406,145.19x = 132,520,781,467.37
  5. Step 5: Solve for x
    x = 132,520,781,467.37/406,145.19
  6. Step 6: Final answer
    x = 326,289.18

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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.