Home / 1,137,618.11-1,706,433.55-379,457.50

Finding the Fourth Proportional to 1,137,618.11, 1,706,433.55 and 379,457.50

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Solution

The fourth proportional to 1,137,618.11, 1,706,433.55 and 379,457.50 is: 569,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,618.11 : 1,706,433.55 = 379,457.50 : x
  2. Step 2: Convert to fraction form
    1,137,618.11/1,706,433.55 = 379,457.50/x
  3. Step 3: Cross multiply
    1,137,618.11x = 1,706,433.55 × 379,457.50
  4. Step 4: Simplify right side
    1,137,618.11x = 647,519,001,006.87
  5. Step 5: Solve for x
    x = 647,519,001,006.87/1,137,618.11
  6. Step 6: Final answer
    x = 569,188.37

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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.