Home / 1,358,647.60-2,038,165.80-412,092.40

Finding the Fourth Proportional to 1,358,647.60, 2,038,165.80 and 412,092.40

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Solution

The fourth proportional to 1,358,647.60, 2,038,165.80 and 412,092.40 is: 618,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,647.60 : 2,038,165.80 = 412,092.40 : x
  2. Step 2: Convert to fraction form
    1,358,647.60/2,038,165.80 = 412,092.40/x
  3. Step 3: Cross multiply
    1,358,647.60x = 2,038,165.80 × 412,092.40
  4. Step 4: Simplify right side
    1,358,647.60x = 839,912,636,119.92
  5. Step 5: Solve for x
    x = 839,912,636,119.92/1,358,647.60
  6. Step 6: Final answer
    x = 618,197.56

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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.