Home / 1,186,609.68-1,780,178.58-653,856.48

Finding the Fourth Proportional to 1,186,609.68, 1,780,178.58 and 653,856.48

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Solution

The fourth proportional to 1,186,609.68, 1,780,178.58 and 653,856.48 is: 980,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,609.68 : 1,780,178.58 = 653,856.48 : x
  2. Step 2: Convert to fraction form
    1,186,609.68/1,780,178.58 = 653,856.48/x
  3. Step 3: Cross multiply
    1,186,609.68x = 1,780,178.58 × 653,856.48
  4. Step 4: Simplify right side
    1,186,609.68x = 1,163,981,300,090.20
  5. Step 5: Solve for x
    x = 1,163,981,300,090.20/1,186,609.68
  6. Step 6: Final answer
    x = 980,930.22

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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.