Home / 525,913.76-789,220.08-193,489.44

Finding the Fourth Proportional to 525,913.76, 789,220.08 and 193,489.44

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Solution

The fourth proportional to 525,913.76, 789,220.08 and 193,489.44 is: 290,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,913.76 : 789,220.08 = 193,489.44 : x
  2. Step 2: Convert to fraction form
    525,913.76/789,220.08 = 193,489.44/x
  3. Step 3: Cross multiply
    525,913.76x = 789,220.08 × 193,489.44
  4. Step 4: Simplify right side
    525,913.76x = 152,705,751,315.96
  5. Step 5: Solve for x
    x = 152,705,751,315.96/525,913.76
  6. Step 6: Final answer
    x = 290,362.72

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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.