Home / 525,206.55-788,008.37-205,586.85

Finding the Fourth Proportional to 525,206.55, 788,008.37 and 205,586.85

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Solution

The fourth proportional to 525,206.55, 788,008.37 and 205,586.85 is: 308,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,206.55 : 788,008.37 = 205,586.85 : x
  2. Step 2: Convert to fraction form
    525,206.55/788,008.37 = 205,586.85/x
  3. Step 3: Cross multiply
    525,206.55x = 788,008.37 × 205,586.85
  4. Step 4: Simplify right side
    525,206.55x = 162,004,156,682.99
  5. Step 5: Solve for x
    x = 162,004,156,682.99/525,206.55
  6. Step 6: Final answer
    x = 308,457.99

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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.