Home / 646,803.56-886,124.06-622,561.58

Finding the Fourth Proportional to 646,803.56, 886,124.06 and 622,561.58

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Solution

The fourth proportional to 646,803.56, 886,124.06 and 622,561.58 is: 852,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,803.56 : 886,124.06 = 622,561.58 : x
  2. Step 2: Convert to fraction form
    646,803.56/886,124.06 = 622,561.58/x
  3. Step 3: Cross multiply
    646,803.56x = 886,124.06 × 622,561.58
  4. Step 4: Simplify right side
    646,803.56x = 551,666,787,326.19
  5. Step 5: Solve for x
    x = 551,666,787,326.19/646,803.56
  6. Step 6: Final answer
    x = 852,912.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.