Home / 1,361,237.36-2,041,856.66-561,640.05

Finding the Fourth Proportional to 1,361,237.36, 2,041,856.66 and 561,640.05

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Solution

The fourth proportional to 1,361,237.36, 2,041,856.66 and 561,640.05 is: 842,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,237.36 : 2,041,856.66 = 561,640.05 : x
  2. Step 2: Convert to fraction form
    1,361,237.36/2,041,856.66 = 561,640.05/x
  3. Step 3: Cross multiply
    1,361,237.36x = 2,041,856.66 × 561,640.05
  4. Step 4: Simplify right side
    1,361,237.36x = 1,146,788,478,019.33
  5. Step 5: Solve for x
    x = 1,146,788,478,019.33/1,361,237.36
  6. Step 6: Final answer
    x = 842,460.33

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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.