Home / 632,890.77-873,513.76-479,661.69

Finding the Fourth Proportional to 632,890.77, 873,513.76 and 479,661.69

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Solution

The fourth proportional to 632,890.77, 873,513.76 and 479,661.69 is: 662,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,890.77 : 873,513.76 = 479,661.69 : x
  2. Step 2: Convert to fraction form
    632,890.77/873,513.76 = 479,661.69/x
  3. Step 3: Cross multiply
    632,890.77x = 873,513.76 × 479,661.69
  4. Step 4: Simplify right side
    632,890.77x = 418,991,086,359.85
  5. Step 5: Solve for x
    x = 418,991,086,359.85/632,890.77
  6. Step 6: Final answer
    x = 662,027.49

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1.5x scale

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.