Home / 1,531,705.01-2,113,735.10-843,362.55

Finding the Fourth Proportional to 1,531,705.01, 2,113,735.10 and 843,362.55

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Solution

The fourth proportional to 1,531,705.01, 2,113,735.10 and 843,362.55 is: 1,163,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,705.01 : 2,113,735.10 = 843,362.55 : x
  2. Step 2: Convert to fraction form
    1,531,705.01/2,113,735.10 = 843,362.55/x
  3. Step 3: Cross multiply
    1,531,705.01x = 2,113,735.10 × 843,362.55
  4. Step 4: Simplify right side
    1,531,705.01x = 1,782,645,019,743.69
  5. Step 5: Solve for x
    x = 1,782,645,019,743.69/1,531,705.01
  6. Step 6: Final answer
    x = 1,163,830.51

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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.