Home / 525,678.93-788,583.96-205,789.46

Finding the Fourth Proportional to 525,678.93, 788,583.96 and 205,789.46

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Solution

The fourth proportional to 525,678.93, 788,583.96 and 205,789.46 is: 308,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,678.93 : 788,583.96 = 205,789.46 : x
  2. Step 2: Convert to fraction form
    525,678.93/788,583.96 = 205,789.46/x
  3. Step 3: Cross multiply
    525,678.93x = 788,583.96 × 205,789.46
  4. Step 4: Simplify right side
    525,678.93x = 162,282,263,350.14
  5. Step 5: Solve for x
    x = 162,282,263,350.14/525,678.93
  6. Step 6: Final answer
    x = 308,709.85

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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.