Home / 1,245,584.70-1,868,090.31-487,444.14

Finding the Fourth Proportional to 1,245,584.70, 1,868,090.31 and 487,444.14

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Solution

The fourth proportional to 1,245,584.70, 1,868,090.31 and 487,444.14 is: 731,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,584.70 : 1,868,090.31 = 487,444.14 : x
  2. Step 2: Convert to fraction form
    1,245,584.70/1,868,090.31 = 487,444.14/x
  3. Step 3: Cross multiply
    1,245,584.70x = 1,868,090.31 × 487,444.14
  4. Step 4: Simplify right side
    1,245,584.70x = 910,589,674,600.28
  5. Step 5: Solve for x
    x = 910,589,674,600.28/1,245,584.70
  6. Step 6: Final answer
    x = 731,054.00

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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.