Home / 685,298.97-943,600.25-608,684.94

Finding the Fourth Proportional to 685,298.97, 943,600.25 and 608,684.94

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Solution

The fourth proportional to 685,298.97, 943,600.25 and 608,684.94 is: 838,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,298.97 : 943,600.25 = 608,684.94 : x
  2. Step 2: Convert to fraction form
    685,298.97/943,600.25 = 608,684.94/x
  3. Step 3: Cross multiply
    685,298.97x = 943,600.25 × 608,684.94
  4. Step 4: Simplify right side
    685,298.97x = 574,355,258,511.81
  5. Step 5: Solve for x
    x = 574,355,258,511.81/685,298.97
  6. Step 6: Final answer
    x = 838,109.04

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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.