Home / 1,203,623.12-1,661,019.98-652,356.45

Finding the Fourth Proportional to 1,203,623.12, 1,661,019.98 and 652,356.45

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Solution

The fourth proportional to 1,203,623.12, 1,661,019.98 and 652,356.45 is: 900,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,623.12 : 1,661,019.98 = 652,356.45 : x
  2. Step 2: Convert to fraction form
    1,203,623.12/1,661,019.98 = 652,356.45/x
  3. Step 3: Cross multiply
    1,203,623.12x = 1,661,019.98 × 652,356.45
  4. Step 4: Simplify right side
    1,203,623.12x = 1,083,577,094,270.09
  5. Step 5: Solve for x
    x = 1,083,577,094,270.09/1,203,623.12
  6. Step 6: Final answer
    x = 900,262.78

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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.