Home / 1,263,483.90-1,895,325.21-422,038.62

Finding the Fourth Proportional to 1,263,483.90, 1,895,325.21 and 422,038.62

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Solution

The fourth proportional to 1,263,483.90, 1,895,325.21 and 422,038.62 is: 633,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,483.90 : 1,895,325.21 = 422,038.62 : x
  2. Step 2: Convert to fraction form
    1,263,483.90/1,895,325.21 = 422,038.62/x
  3. Step 3: Cross multiply
    1,263,483.90x = 1,895,325.21 × 422,038.62
  4. Step 4: Simplify right side
    1,263,483.90x = 799,900,436,079.61
  5. Step 5: Solve for x
    x = 799,900,436,079.61/1,263,483.90
  6. Step 6: Final answer
    x = 633,091.12

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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.