Home / 1,228,766.85-1,695,492.68-684,783.81

Finding the Fourth Proportional to 1,228,766.85, 1,695,492.68 and 684,783.81

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Solution

The fourth proportional to 1,228,766.85, 1,695,492.68 and 684,783.81 is: 944,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,766.85 : 1,695,492.68 = 684,783.81 : x
  2. Step 2: Convert to fraction form
    1,228,766.85/1,695,492.68 = 684,783.81/x
  3. Step 3: Cross multiply
    1,228,766.85x = 1,695,492.68 × 684,783.81
  4. Step 4: Simplify right side
    1,228,766.85x = 1,161,045,933,813.59
  5. Step 5: Solve for x
    x = 1,161,045,933,813.59/1,228,766.85
  6. Step 6: Final answer
    x = 944,887.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.