Home / 709,370.79-1,063,859.22-196,918.20

Finding the Fourth Proportional to 709,370.79, 1,063,859.22 and 196,918.20

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Solution

The fourth proportional to 709,370.79, 1,063,859.22 and 196,918.20 is: 295,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,370.79 : 1,063,859.22 = 196,918.20 : x
  2. Step 2: Convert to fraction form
    709,370.79/1,063,859.22 = 196,918.20/x
  3. Step 3: Cross multiply
    709,370.79x = 1,063,859.22 × 196,918.20
  4. Step 4: Simplify right side
    709,370.79x = 209,493,242,655.80
  5. Step 5: Solve for x
    x = 209,493,242,655.80/709,370.79
  6. Step 6: Final answer
    x = 295,322.62

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Double scale
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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.