Home / 1,271,102.49-1,913,525.64-1,157,977.35

Finding the Fourth Proportional to 1,271,102.49, 1,913,525.64 and 1,157,977.35

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Solution

The fourth proportional to 1,271,102.49, 1,913,525.64 and 1,157,977.35 is: 1,743,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,102.49 : 1,913,525.64 = 1,157,977.35 : x
  2. Step 2: Convert to fraction form
    1,271,102.49/1,913,525.64 = 1,157,977.35/x
  3. Step 3: Cross multiply
    1,271,102.49x = 1,913,525.64 × 1,157,977.35
  4. Step 4: Simplify right side
    1,271,102.49x = 2,215,819,349,764.25
  5. Step 5: Solve for x
    x = 2,215,819,349,764.25/1,271,102.49
  6. Step 6: Final answer
    x = 1,743,226.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.