Home / 479,541.60-661,720.23-264,667.77

Finding the Fourth Proportional to 479,541.60, 661,720.23 and 264,667.77

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Solution

The fourth proportional to 479,541.60, 661,720.23 and 264,667.77 is: 365,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,541.60 : 661,720.23 = 264,667.77 : x
  2. Step 2: Convert to fraction form
    479,541.60/661,720.23 = 264,667.77/x
  3. Step 3: Cross multiply
    479,541.60x = 661,720.23 × 264,667.77
  4. Step 4: Simplify right side
    479,541.60x = 175,136,017,637.99
  5. Step 5: Solve for x
    x = 175,136,017,637.99/479,541.60
  6. Step 6: Final answer
    x = 365,215.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.