Home / 1,657,361.08-2,287,181.91-978,297.58

Finding the Fourth Proportional to 1,657,361.08, 2,287,181.91 and 978,297.58

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Solution

The fourth proportional to 1,657,361.08, 2,287,181.91 and 978,297.58 is: 1,350,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,361.08 : 2,287,181.91 = 978,297.58 : x
  2. Step 2: Convert to fraction form
    1,657,361.08/2,287,181.91 = 978,297.58/x
  3. Step 3: Cross multiply
    1,657,361.08x = 2,287,181.91 × 978,297.58
  4. Step 4: Simplify right side
    1,657,361.08x = 2,237,544,527,572.78
  5. Step 5: Solve for x
    x = 2,237,544,527,572.78/1,657,361.08
  6. Step 6: Final answer
    x = 1,350,064.60

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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.