Home / 590,961.40-886,442.10-545,342.20

Finding the Fourth Proportional to 590,961.40, 886,442.10 and 545,342.20

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Solution

The fourth proportional to 590,961.40, 886,442.10 and 545,342.20 is: 818,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,961.40 : 886,442.10 = 545,342.20 : x
  2. Step 2: Convert to fraction form
    590,961.40/886,442.10 = 545,342.20/x
  3. Step 3: Cross multiply
    590,961.40x = 886,442.10 × 545,342.20
  4. Step 4: Simplify right side
    590,961.40x = 483,414,284,986.62
  5. Step 5: Solve for x
    x = 483,414,284,986.62/590,961.40
  6. Step 6: Final answer
    x = 818,013.30

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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.