Home / 293,928.96-406,031.44-283,005.12

Finding the Fourth Proportional to 293,928.96, 406,031.44 and 283,005.12

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Solution

The fourth proportional to 293,928.96, 406,031.44 and 283,005.12 is: 390,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,928.96 : 406,031.44 = 283,005.12 : x
  2. Step 2: Convert to fraction form
    293,928.96/406,031.44 = 283,005.12/x
  3. Step 3: Cross multiply
    293,928.96x = 406,031.44 × 283,005.12
  4. Step 4: Simplify right side
    293,928.96x = 114,908,976,400.97
  5. Step 5: Solve for x
    x = 114,908,976,400.97/293,928.96
  6. Step 6: Final answer
    x = 390,941.32

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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.