Home / 1,691,665.04-2,537,871.28-839,200.40

Finding the Fourth Proportional to 1,691,665.04, 2,537,871.28 and 839,200.40

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Solution

The fourth proportional to 1,691,665.04, 2,537,871.28 and 839,200.40 is: 1,258,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,665.04 : 2,537,871.28 = 839,200.40 : x
  2. Step 2: Convert to fraction form
    1,691,665.04/2,537,871.28 = 839,200.40/x
  3. Step 3: Cross multiply
    1,691,665.04x = 2,537,871.28 × 839,200.40
  4. Step 4: Simplify right side
    1,691,665.04x = 2,129,782,593,324.51
  5. Step 5: Solve for x
    x = 2,129,782,593,324.51/1,691,665.04
  6. Step 6: Final answer
    x = 1,258,985.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.