Home / 1,863,242.46-2,795,454.18-665,138.25

Finding the Fourth Proportional to 1,863,242.46, 2,795,454.18 and 665,138.25

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Solution

The fourth proportional to 1,863,242.46, 2,795,454.18 and 665,138.25 is: 997,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,242.46 : 2,795,454.18 = 665,138.25 : x
  2. Step 2: Convert to fraction form
    1,863,242.46/2,795,454.18 = 665,138.25/x
  3. Step 3: Cross multiply
    1,863,242.46x = 2,795,454.18 × 665,138.25
  4. Step 4: Simplify right side
    1,863,242.46x = 1,859,363,501,240.39
  5. Step 5: Solve for x
    x = 1,859,363,501,240.39/1,863,242.46
  6. Step 6: Final answer
    x = 997,918.17

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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.