Home / 525,298.26-786,815.62-355,889.14

Finding the Fourth Proportional to 525,298.26, 786,815.62 and 355,889.14

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Solution

The fourth proportional to 525,298.26, 786,815.62 and 355,889.14 is: 533,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,298.26 : 786,815.62 = 355,889.14 : x
  2. Step 2: Convert to fraction form
    525,298.26/786,815.62 = 355,889.14/x
  3. Step 3: Cross multiply
    525,298.26x = 786,815.62 × 355,889.14
  4. Step 4: Simplify right side
    525,298.26x = 280,019,137,911.32
  5. Step 5: Solve for x
    x = 280,019,137,911.32/525,298.26
  6. Step 6: Final answer
    x = 533,066.94

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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.