Home / 698,767.20-1,048,150.80-193,327.20

Finding the Fourth Proportional to 698,767.20, 1,048,150.80 and 193,327.20

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Solution

The fourth proportional to 698,767.20, 1,048,150.80 and 193,327.20 is: 289,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,767.20 : 1,048,150.80 = 193,327.20 : x
  2. Step 2: Convert to fraction form
    698,767.20/1,048,150.80 = 193,327.20/x
  3. Step 3: Cross multiply
    698,767.20x = 1,048,150.80 × 193,327.20
  4. Step 4: Simplify right side
    698,767.20x = 202,636,059,341.76
  5. Step 5: Solve for x
    x = 202,636,059,341.76/698,767.20
  6. Step 6: Final answer
    x = 289,990.80

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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.