Home / 1,271,507.04-1,751,546.16-1,089,635.04

Finding the Fourth Proportional to 1,271,507.04, 1,751,546.16 and 1,089,635.04

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Solution

The fourth proportional to 1,271,507.04, 1,751,546.16 and 1,089,635.04 is: 1,501,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,507.04 : 1,751,546.16 = 1,089,635.04 : x
  2. Step 2: Convert to fraction form
    1,271,507.04/1,751,546.16 = 1,089,635.04/x
  3. Step 3: Cross multiply
    1,271,507.04x = 1,751,546.16 × 1,089,635.04
  4. Step 4: Simplify right side
    1,271,507.04x = 1,908,546,070,113.45
  5. Step 5: Solve for x
    x = 1,908,546,070,113.45/1,271,507.04
  6. Step 6: Final answer
    x = 1,501,011.01

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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.