Home / 698,907.69-1,048,362.95-193,470.12

Finding the Fourth Proportional to 698,907.69, 1,048,362.95 and 193,470.12

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Solution

The fourth proportional to 698,907.69, 1,048,362.95 and 193,470.12 is: 290,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,907.69 : 1,048,362.95 = 193,470.12 : x
  2. Step 2: Convert to fraction form
    698,907.69/1,048,362.95 = 193,470.12/x
  3. Step 3: Cross multiply
    698,907.69x = 1,048,362.95 × 193,470.12
  4. Step 4: Simplify right side
    698,907.69x = 202,826,906,223.73
  5. Step 5: Solve for x
    x = 202,826,906,223.73/698,907.69
  6. Step 6: Final answer
    x = 290,205.57

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Double scale
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Similar ratio
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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.