Home / 850,576.54-1,172,180.55-608,438.58

Finding the Fourth Proportional to 850,576.54, 1,172,180.55 and 608,438.58

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Solution

The fourth proportional to 850,576.54, 1,172,180.55 and 608,438.58 is: 838,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,576.54 : 1,172,180.55 = 608,438.58 : x
  2. Step 2: Convert to fraction form
    850,576.54/1,172,180.55 = 608,438.58/x
  3. Step 3: Cross multiply
    850,576.54x = 1,172,180.55 × 608,438.58
  4. Step 4: Simplify right side
    850,576.54x = 713,199,869,345.62
  5. Step 5: Solve for x
    x = 713,199,869,345.62/850,576.54
  6. Step 6: Final answer
    x = 838,489.94

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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.