Home / 414,465.60-618,672.48-355,679.04

Finding the Fourth Proportional to 414,465.60, 618,672.48 and 355,679.04

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Solution

The fourth proportional to 414,465.60, 618,672.48 and 355,679.04 is: 530,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,465.60 : 618,672.48 = 355,679.04 : x
  2. Step 2: Convert to fraction form
    414,465.60/618,672.48 = 355,679.04/x
  3. Step 3: Cross multiply
    414,465.60x = 618,672.48 × 355,679.04
  4. Step 4: Simplify right side
    414,465.60x = 220,048,833,760.82
  5. Step 5: Solve for x
    x = 220,048,833,760.82/414,465.60
  6. Step 6: Final answer
    x = 530,921.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.