Home / 358,576.20-539,030.70-254,118.60

Finding the Fourth Proportional to 358,576.20, 539,030.70 and 254,118.60

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Solution

The fourth proportional to 358,576.20, 539,030.70 and 254,118.60 is: 382,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,576.20 : 539,030.70 = 254,118.60 : x
  2. Step 2: Convert to fraction form
    358,576.20/539,030.70 = 254,118.60/x
  3. Step 3: Cross multiply
    358,576.20x = 539,030.70 × 254,118.60
  4. Step 4: Simplify right side
    358,576.20x = 136,977,726,841.02
  5. Step 5: Solve for x
    x = 136,977,726,841.02/358,576.20
  6. Step 6: Final answer
    x = 382,004.51

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1.5x scale

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.