Home / 414,527.20-621,790.80-148,296.40

Finding the Fourth Proportional to 414,527.20, 621,790.80 and 148,296.40

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Solution

The fourth proportional to 414,527.20, 621,790.80 and 148,296.40 is: 222,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,527.20 : 621,790.80 = 148,296.40 : x
  2. Step 2: Convert to fraction form
    414,527.20/621,790.80 = 148,296.40/x
  3. Step 3: Cross multiply
    414,527.20x = 621,790.80 × 148,296.40
  4. Step 4: Simplify right side
    414,527.20x = 92,209,337,193.12
  5. Step 5: Solve for x
    x = 92,209,337,193.12/414,527.20
  6. Step 6: Final answer
    x = 222,444.60

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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.