Home / 445,815.77-615,225.67-254,833.27

Finding the Fourth Proportional to 445,815.77, 615,225.67 and 254,833.27

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Solution

The fourth proportional to 445,815.77, 615,225.67 and 254,833.27 is: 351,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,815.77 : 615,225.67 = 254,833.27 : x
  2. Step 2: Convert to fraction form
    445,815.77/615,225.67 = 254,833.27/x
  3. Step 3: Cross multiply
    445,815.77x = 615,225.67 × 254,833.27
  4. Step 4: Simplify right side
    445,815.77x = 156,779,967,098.89
  5. Step 5: Solve for x
    x = 156,779,967,098.89/445,815.77
  6. Step 6: Final answer
    x = 351,669.85

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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.