Home / 548,984.08-757,425.30-307,228.24

Finding the Fourth Proportional to 548,984.08, 757,425.30 and 307,228.24

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Solution

The fourth proportional to 548,984.08, 757,425.30 and 307,228.24 is: 423,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,984.08 : 757,425.30 = 307,228.24 : x
  2. Step 2: Convert to fraction form
    548,984.08/757,425.30 = 307,228.24/x
  3. Step 3: Cross multiply
    548,984.08x = 757,425.30 × 307,228.24
  4. Step 4: Simplify right side
    548,984.08x = 232,702,441,850.47
  5. Step 5: Solve for x
    x = 232,702,441,850.47/548,984.08
  6. Step 6: Final answer
    x = 423,878.31

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Double scale
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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.