Home / 546,784.20-821,051.10-413,814.60

Finding the Fourth Proportional to 546,784.20, 821,051.10 and 413,814.60

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Solution

The fourth proportional to 546,784.20, 821,051.10 and 413,814.60 is: 621,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,784.20 : 821,051.10 = 413,814.60 : x
  2. Step 2: Convert to fraction form
    546,784.20/821,051.10 = 413,814.60/x
  3. Step 3: Cross multiply
    546,784.20x = 821,051.10 × 413,814.60
  4. Step 4: Simplify right side
    546,784.20x = 339,762,932,526.06
  5. Step 5: Solve for x
    x = 339,762,932,526.06/546,784.20
  6. Step 6: Final answer
    x = 621,383.96

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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.