Home / 1,543,306-2,129,763.36-864,258.16

Finding the Fourth Proportional to 1,543,306, 2,129,763.36 and 864,258.16

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Solution

The fourth proportional to 1,543,306, 2,129,763.36 and 864,258.16 is: 1,192,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,306 : 2,129,763.36 = 864,258.16 : x
  2. Step 2: Convert to fraction form
    1,543,306/2,129,763.36 = 864,258.16/x
  3. Step 3: Cross multiply
    1,543,306x = 2,129,763.36 × 864,258.16
  4. Step 4: Simplify right side
    1,543,306x = 1,840,665,362,749.02
  5. Step 5: Solve for x
    x = 1,840,665,362,749.02/1,543,306
  6. Step 6: Final answer
    x = 1,192,676.87

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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.