Home / 1,008,042.31-1,511,538.49-475,420.33

Finding the Fourth Proportional to 1,008,042.31, 1,511,538.49 and 475,420.33

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Solution

The fourth proportional to 1,008,042.31, 1,511,538.49 and 475,420.33 is: 712,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,042.31 : 1,511,538.49 = 475,420.33 : x
  2. Step 2: Convert to fraction form
    1,008,042.31/1,511,538.49 = 475,420.33/x
  3. Step 3: Cross multiply
    1,008,042.31x = 1,511,538.49 × 475,420.33
  4. Step 4: Simplify right side
    1,008,042.31x = 718,616,127,723.50
  5. Step 5: Solve for x
    x = 718,616,127,723.50/1,008,042.31
  6. Step 6: Final answer
    x = 712,882.90

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1.5x scale

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.