Home / 698,722.38-1,048,025.07-193,289.58

Finding the Fourth Proportional to 698,722.38, 1,048,025.07 and 193,289.58

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Solution

The fourth proportional to 698,722.38, 1,048,025.07 and 193,289.58 is: 289,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,722.38 : 1,048,025.07 = 193,289.58 : x
  2. Step 2: Convert to fraction form
    698,722.38/1,048,025.07 = 193,289.58/x
  3. Step 3: Cross multiply
    698,722.38x = 1,048,025.07 × 193,289.58
  4. Step 4: Simplify right side
    698,722.38x = 202,572,325,609.77
  5. Step 5: Solve for x
    x = 202,572,325,609.77/698,722.38
  6. Step 6: Final answer
    x = 289,918.19

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1.5x scale

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.