Home / 1,761,632.48-2,431,223.46-987,394.84

Finding the Fourth Proportional to 1,761,632.48, 2,431,223.46 and 987,394.84

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Solution

The fourth proportional to 1,761,632.48, 2,431,223.46 and 987,394.84 is: 1,362,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,632.48 : 2,431,223.46 = 987,394.84 : x
  2. Step 2: Convert to fraction form
    1,761,632.48/2,431,223.46 = 987,394.84/x
  3. Step 3: Cross multiply
    1,761,632.48x = 2,431,223.46 × 987,394.84
  4. Step 4: Simplify right side
    1,761,632.48x = 2,400,577,499,290.95
  5. Step 5: Solve for x
    x = 2,400,577,499,290.95/1,761,632.48
  6. Step 6: Final answer
    x = 1,362,700.52

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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.