Home / 1,111,419.66-1,666,320.30-353,011.80

Finding the Fourth Proportional to 1,111,419.66, 1,666,320.30 and 353,011.80

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Solution

The fourth proportional to 1,111,419.66, 1,666,320.30 and 353,011.80 is: 529,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,419.66 : 1,666,320.30 = 353,011.80 : x
  2. Step 2: Convert to fraction form
    1,111,419.66/1,666,320.30 = 353,011.80/x
  3. Step 3: Cross multiply
    1,111,419.66x = 1,666,320.30 × 353,011.80
  4. Step 4: Simplify right side
    1,111,419.66x = 588,230,728,479.54
  5. Step 5: Solve for x
    x = 588,230,728,479.54/1,111,419.66
  6. Step 6: Final answer
    x = 529,260.68

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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.