Home / 1,209,968.69-1,814,953.64-499,215.56

Finding the Fourth Proportional to 1,209,968.69, 1,814,953.64 and 499,215.56

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Solution

The fourth proportional to 1,209,968.69, 1,814,953.64 and 499,215.56 is: 748,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,968.69 : 1,814,953.64 = 499,215.56 : x
  2. Step 2: Convert to fraction form
    1,209,968.69/1,814,953.64 = 499,215.56/x
  3. Step 3: Cross multiply
    1,209,968.69x = 1,814,953.64 × 499,215.56
  4. Step 4: Simplify right side
    1,209,968.69x = 906,053,086,195.79
  5. Step 5: Solve for x
    x = 906,053,086,195.79/1,209,968.69
  6. Step 6: Final answer
    x = 748,823.58

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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.