Home / 485,764.29-723,762.44-458,601.75

Finding the Fourth Proportional to 485,764.29, 723,762.44 and 458,601.75

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Solution

The fourth proportional to 485,764.29, 723,762.44 and 458,601.75 is: 683,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,764.29 : 723,762.44 = 458,601.75 : x
  2. Step 2: Convert to fraction form
    485,764.29/723,762.44 = 458,601.75/x
  3. Step 3: Cross multiply
    485,764.29x = 723,762.44 × 458,601.75
  4. Step 4: Simplify right side
    485,764.29x = 331,918,720,995.02
  5. Step 5: Solve for x
    x = 331,918,720,995.02/485,764.29
  6. Step 6: Final answer
    x = 683,291.73

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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.