Home / 814,790.07-1,222,185.02-434,558.85

Finding the Fourth Proportional to 814,790.07, 1,222,185.02 and 434,558.85

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Solution

The fourth proportional to 814,790.07, 1,222,185.02 and 434,558.85 is: 651,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,790.07 : 1,222,185.02 = 434,558.85 : x
  2. Step 2: Convert to fraction form
    814,790.07/1,222,185.02 = 434,558.85/x
  3. Step 3: Cross multiply
    814,790.07x = 1,222,185.02 × 434,558.85
  4. Step 4: Simplify right side
    814,790.07x = 531,111,314,605.63
  5. Step 5: Solve for x
    x = 531,111,314,605.63/814,790.07
  6. Step 6: Final answer
    x = 651,838.23

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1.5x scale

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.