Home / 1,008,043.19-1,511,539.81-475,421.21

Finding the Fourth Proportional to 1,008,043.19, 1,511,539.81 and 475,421.21

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Solution

The fourth proportional to 1,008,043.19, 1,511,539.81 and 475,421.21 is: 712,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,043.19 : 1,511,539.81 = 475,421.21 : x
  2. Step 2: Convert to fraction form
    1,008,043.19/1,511,539.81 = 475,421.21/x
  3. Step 3: Cross multiply
    1,008,043.19x = 1,511,539.81 × 475,421.21
  4. Step 4: Simplify right side
    1,008,043.19x = 718,618,076,687.12
  5. Step 5: Solve for x
    x = 718,618,076,687.12/1,008,043.19
  6. Step 6: Final answer
    x = 712,884.22

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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.