Home / 1,945,403.56-2,918,211.77-808,280.75

Finding the Fourth Proportional to 1,945,403.56, 2,918,211.77 and 808,280.75

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Solution

The fourth proportional to 1,945,403.56, 2,918,211.77 and 808,280.75 is: 1,212,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,403.56 : 2,918,211.77 = 808,280.75 : x
  2. Step 2: Convert to fraction form
    1,945,403.56/2,918,211.77 = 808,280.75/x
  3. Step 3: Cross multiply
    1,945,403.56x = 2,918,211.77 × 808,280.75
  4. Step 4: Simplify right side
    1,945,403.56x = 2,358,734,398,114.43
  5. Step 5: Solve for x
    x = 2,358,734,398,114.43/1,945,403.56
  6. Step 6: Final answer
    x = 1,212,465.34

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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.