Home / 1,243,649.47-1,716,216.16-699,784.95

Finding the Fourth Proportional to 1,243,649.47, 1,716,216.16 and 699,784.95

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Solution

The fourth proportional to 1,243,649.47, 1,716,216.16 and 699,784.95 is: 965,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,649.47 : 1,716,216.16 = 699,784.95 : x
  2. Step 2: Convert to fraction form
    1,243,649.47/1,716,216.16 = 699,784.95/x
  3. Step 3: Cross multiply
    1,243,649.47x = 1,716,216.16 × 699,784.95
  4. Step 4: Simplify right side
    1,243,649.47x = 1,200,982,239,714.79
  5. Step 5: Solve for x
    x = 1,200,982,239,714.79/1,243,649.47
  6. Step 6: Final answer
    x = 965,691.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.