Home / 1,443,218.44-2,164,783.02-685,605.28

Finding the Fourth Proportional to 1,443,218.44, 2,164,783.02 and 685,605.28

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Solution

The fourth proportional to 1,443,218.44, 2,164,783.02 and 685,605.28 is: 1,028,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,218.44 : 2,164,783.02 = 685,605.28 : x
  2. Step 2: Convert to fraction form
    1,443,218.44/2,164,783.02 = 685,605.28/x
  3. Step 3: Cross multiply
    1,443,218.44x = 2,164,783.02 × 685,605.28
  4. Step 4: Simplify right side
    1,443,218.44x = 1,484,186,668,566.35
  5. Step 5: Solve for x
    x = 1,484,186,668,566.35/1,443,218.44
  6. Step 6: Final answer
    x = 1,028,386.71

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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.