Home / 525,305.26-786,826.14-355,896.16

Finding the Fourth Proportional to 525,305.26, 786,826.14 and 355,896.16

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Solution

The fourth proportional to 525,305.26, 786,826.14 and 355,896.16 is: 533,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,305.26 : 786,826.14 = 355,896.16 : x
  2. Step 2: Convert to fraction form
    525,305.26/786,826.14 = 355,896.16/x
  3. Step 3: Cross multiply
    525,305.26x = 786,826.14 × 355,896.16
  4. Step 4: Simplify right side
    525,305.26x = 280,028,401,813.62
  5. Step 5: Solve for x
    x = 280,028,401,813.62/525,305.26
  6. Step 6: Final answer
    x = 533,077.48

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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.