Home / 486,815.91-730,068.02-162,534.38

Finding the Fourth Proportional to 486,815.91, 730,068.02 and 162,534.38

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Solution

The fourth proportional to 486,815.91, 730,068.02 and 162,534.38 is: 243,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,815.91 : 730,068.02 = 162,534.38 : x
  2. Step 2: Convert to fraction form
    486,815.91/730,068.02 = 162,534.38/x
  3. Step 3: Cross multiply
    486,815.91x = 730,068.02 × 162,534.38
  4. Step 4: Simplify right side
    486,815.91x = 118,661,149,135.02
  5. Step 5: Solve for x
    x = 118,661,149,135.02/486,815.91
  6. Step 6: Final answer
    x = 243,749.53

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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.