Home / 1,271,464.56-1,754,621.81-698,541.64

Finding the Fourth Proportional to 1,271,464.56, 1,754,621.81 and 698,541.64

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Solution

The fourth proportional to 1,271,464.56, 1,754,621.81 and 698,541.64 is: 963,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,464.56 : 1,754,621.81 = 698,541.64 : x
  2. Step 2: Convert to fraction form
    1,271,464.56/1,754,621.81 = 698,541.64/x
  3. Step 3: Cross multiply
    1,271,464.56x = 1,754,621.81 × 698,541.64
  4. Step 4: Simplify right side
    1,271,464.56x = 1,225,676,396,737.17
  5. Step 5: Solve for x
    x = 1,225,676,396,737.17/1,271,464.56
  6. Step 6: Final answer
    x = 963,987.86

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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.