Home / 658,676.37-985,308.03-525,816.12

Finding the Fourth Proportional to 658,676.37, 985,308.03 and 525,816.12

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Solution

The fourth proportional to 658,676.37, 985,308.03 and 525,816.12 is: 786,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,676.37 : 985,308.03 = 525,816.12 : x
  2. Step 2: Convert to fraction form
    658,676.37/985,308.03 = 525,816.12/x
  3. Step 3: Cross multiply
    658,676.37x = 985,308.03 × 525,816.12
  4. Step 4: Simplify right side
    658,676.37x = 518,090,845,339.44
  5. Step 5: Solve for x
    x = 518,090,845,339.44/658,676.37
  6. Step 6: Final answer
    x = 786,563.58

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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.