Home / 443,224.77-660,620.89-417,999.75

Finding the Fourth Proportional to 443,224.77, 660,620.89 and 417,999.75

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Solution

The fourth proportional to 443,224.77, 660,620.89 and 417,999.75 is: 623,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,224.77 : 660,620.89 = 417,999.75 : x
  2. Step 2: Convert to fraction form
    443,224.77/660,620.89 = 417,999.75/x
  3. Step 3: Cross multiply
    443,224.77x = 660,620.89 × 417,999.75
  4. Step 4: Simplify right side
    443,224.77x = 276,139,366,864.78
  5. Step 5: Solve for x
    x = 276,139,366,864.78/443,224.77
  6. Step 6: Final answer
    x = 623,023.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.