Home / 941,649.59-1,299,491.21-511,931.36

Finding the Fourth Proportional to 941,649.59, 1,299,491.21 and 511,931.36

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Solution

The fourth proportional to 941,649.59, 1,299,491.21 and 511,931.36 is: 706,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,649.59 : 1,299,491.21 = 511,931.36 : x
  2. Step 2: Convert to fraction form
    941,649.59/1,299,491.21 = 511,931.36/x
  3. Step 3: Cross multiply
    941,649.59x = 1,299,491.21 × 511,931.36
  4. Step 4: Simplify right side
    941,649.59x = 665,250,297,225.72
  5. Step 5: Solve for x
    x = 665,250,297,225.72/941,649.59
  6. Step 6: Final answer
    x = 706,473.31

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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.