Home / 405,964.20-608,946.30-125,567.40

Finding the Fourth Proportional to 405,964.20, 608,946.30 and 125,567.40

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Solution

The fourth proportional to 405,964.20, 608,946.30 and 125,567.40 is: 188,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,964.20 : 608,946.30 = 125,567.40 : x
  2. Step 2: Convert to fraction form
    405,964.20/608,946.30 = 125,567.40/x
  3. Step 3: Cross multiply
    405,964.20x = 608,946.30 × 125,567.40
  4. Step 4: Simplify right side
    405,964.20x = 76,463,803,630.62
  5. Step 5: Solve for x
    x = 76,463,803,630.62/405,964.20
  6. Step 6: Final answer
    x = 188,351.10

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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.