Home / 1,420,661.40-2,131,010.56-474,032.12

Finding the Fourth Proportional to 1,420,661.40, 2,131,010.56 and 474,032.12

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Solution

The fourth proportional to 1,420,661.40, 2,131,010.56 and 474,032.12 is: 711,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,661.40 : 2,131,010.56 = 474,032.12 : x
  2. Step 2: Convert to fraction form
    1,420,661.40/2,131,010.56 = 474,032.12/x
  3. Step 3: Cross multiply
    1,420,661.40x = 2,131,010.56 × 474,032.12
  4. Step 4: Simplify right side
    1,420,661.40x = 1,010,167,453,499.19
  5. Step 5: Solve for x
    x = 1,010,167,453,499.19/1,420,661.40
  6. Step 6: Final answer
    x = 711,054.34

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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.