Home / 839,634.86-1,158,696.44-477,059.22

Finding the Fourth Proportional to 839,634.86, 1,158,696.44 and 477,059.22

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Solution

The fourth proportional to 839,634.86, 1,158,696.44 and 477,059.22 is: 658,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,634.86 : 1,158,696.44 = 477,059.22 : x
  2. Step 2: Convert to fraction form
    839,634.86/1,158,696.44 = 477,059.22/x
  3. Step 3: Cross multiply
    839,634.86x = 1,158,696.44 × 477,059.22
  4. Step 4: Simplify right side
    839,634.86x = 552,766,821,970.31
  5. Step 5: Solve for x
    x = 552,766,821,970.31/839,634.86
  6. Step 6: Final answer
    x = 658,341.91

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1.5x scale

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.