Home / 1,426,621.72-1,968,527.72-867,530.89

Finding the Fourth Proportional to 1,426,621.72, 1,968,527.72 and 867,530.89

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Solution

The fourth proportional to 1,426,621.72, 1,968,527.72 and 867,530.89 is: 1,197,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,621.72 : 1,968,527.72 = 867,530.89 : x
  2. Step 2: Convert to fraction form
    1,426,621.72/1,968,527.72 = 867,530.89/x
  3. Step 3: Cross multiply
    1,426,621.72x = 1,968,527.72 × 867,530.89
  4. Step 4: Simplify right side
    1,426,621.72x = 1,707,758,595,078.63
  5. Step 5: Solve for x
    x = 1,707,758,595,078.63/1,426,621.72
  6. Step 6: Final answer
    x = 1,197,064.77

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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.