Home / 406,120.36-560,503.56-236,409.16

Finding the Fourth Proportional to 406,120.36, 560,503.56 and 236,409.16

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Solution

The fourth proportional to 406,120.36, 560,503.56 and 236,409.16 is: 326,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,120.36 : 560,503.56 = 236,409.16 : x
  2. Step 2: Convert to fraction form
    406,120.36/560,503.56 = 236,409.16/x
  3. Step 3: Cross multiply
    406,120.36x = 560,503.56 × 236,409.16
  4. Step 4: Simplify right side
    406,120.36x = 132,508,175,796.61
  5. Step 5: Solve for x
    x = 132,508,175,796.61/406,120.36
  6. Step 6: Final answer
    x = 326,278.09

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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.