Home / 1,265,233.45-1,897,848.66-412,303.75

Finding the Fourth Proportional to 1,265,233.45, 1,897,848.66 and 412,303.75

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Solution

The fourth proportional to 1,265,233.45, 1,897,848.66 and 412,303.75 is: 618,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,233.45 : 1,897,848.66 = 412,303.75 : x
  2. Step 2: Convert to fraction form
    1,265,233.45/1,897,848.66 = 412,303.75/x
  3. Step 3: Cross multiply
    1,265,233.45x = 1,897,848.66 × 412,303.75
  4. Step 4: Simplify right side
    1,265,233.45x = 782,490,119,450.48
  5. Step 5: Solve for x
    x = 782,490,119,450.48/1,265,233.45
  6. Step 6: Final answer
    x = 618,455.13

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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.