Home / 1,421,747.73-2,132,621.61-475,118.45

Finding the Fourth Proportional to 1,421,747.73, 2,132,621.61 and 475,118.45

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Solution

The fourth proportional to 1,421,747.73, 2,132,621.61 and 475,118.45 is: 712,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,747.73 : 2,132,621.61 = 475,118.45 : x
  2. Step 2: Convert to fraction form
    1,421,747.73/2,132,621.61 = 475,118.45/x
  3. Step 3: Cross multiply
    1,421,747.73x = 2,132,621.61 × 475,118.45
  4. Step 4: Simplify right side
    1,421,747.73x = 1,013,247,863,116.60
  5. Step 5: Solve for x
    x = 1,013,247,863,116.60/1,421,747.73
  6. Step 6: Final answer
    x = 712,677.67

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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.