Home / 685,299.97-943,601.62-608,685.94

Finding the Fourth Proportional to 685,299.97, 943,601.62 and 608,685.94

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Solution

The fourth proportional to 685,299.97, 943,601.62 and 608,685.94 is: 838,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,299.97 : 943,601.62 = 608,685.94 : x
  2. Step 2: Convert to fraction form
    685,299.97/943,601.62 = 608,685.94/x
  3. Step 3: Cross multiply
    685,299.97x = 943,601.62 × 608,685.94
  4. Step 4: Simplify right side
    685,299.97x = 574,357,039,055.22
  5. Step 5: Solve for x
    x = 574,357,039,055.22/685,299.97
  6. Step 6: Final answer
    x = 838,110.41

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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.