Home / 871,603.94-1,202,813.55-484,419.29

Finding the Fourth Proportional to 871,603.94, 1,202,813.55 and 484,419.29

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Solution

The fourth proportional to 871,603.94, 1,202,813.55 and 484,419.29 is: 668,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,603.94 : 1,202,813.55 = 484,419.29 : x
  2. Step 2: Convert to fraction form
    871,603.94/1,202,813.55 = 484,419.29/x
  3. Step 3: Cross multiply
    871,603.94x = 1,202,813.55 × 484,419.29
  4. Step 4: Simplify right side
    871,603.94x = 582,666,079,879.31
  5. Step 5: Solve for x
    x = 582,666,079,879.31/871,603.94
  6. Step 6: Final answer
    x = 668,498.67

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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.