Home / 1,399,879-1,932,430.16-941,259.40

Finding the Fourth Proportional to 1,399,879, 1,932,430.16 and 941,259.40

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Solution

The fourth proportional to 1,399,879, 1,932,430.16 and 941,259.40 is: 1,299,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,879 : 1,932,430.16 = 941,259.40 : x
  2. Step 2: Convert to fraction form
    1,399,879/1,932,430.16 = 941,259.40/x
  3. Step 3: Cross multiply
    1,399,879x = 1,932,430.16 × 941,259.40
  4. Step 4: Simplify right side
    1,399,879x = 1,818,918,052,943.50
  5. Step 5: Solve for x
    x = 1,818,918,052,943.50/1,399,879
  6. Step 6: Final answer
    x = 1,299,339.48

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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.