Home / 718,503.92-1,077,914.10-213,104.42

Finding the Fourth Proportional to 718,503.92, 1,077,914.10 and 213,104.42

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Solution

The fourth proportional to 718,503.92, 1,077,914.10 and 213,104.42 is: 319,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,503.92 : 1,077,914.10 = 213,104.42 : x
  2. Step 2: Convert to fraction form
    718,503.92/1,077,914.10 = 213,104.42/x
  3. Step 3: Cross multiply
    718,503.92x = 1,077,914.10 × 213,104.42
  4. Step 4: Simplify right side
    718,503.92x = 229,708,259,090.32
  5. Step 5: Solve for x
    x = 229,708,259,090.32/718,503.92
  6. Step 6: Final answer
    x = 319,703.56

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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.