Home / 410,772.20-614,948.70-306,055.40

Finding the Fourth Proportional to 410,772.20, 614,948.70 and 306,055.40

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Solution

The fourth proportional to 410,772.20, 614,948.70 and 306,055.40 is: 458,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,772.20 : 614,948.70 = 306,055.40 : x
  2. Step 2: Convert to fraction form
    410,772.20/614,948.70 = 306,055.40/x
  3. Step 3: Cross multiply
    410,772.20x = 614,948.70 × 306,055.40
  4. Step 4: Simplify right side
    410,772.20x = 188,208,370,357.98
  5. Step 5: Solve for x
    x = 188,208,370,357.98/410,772.20
  6. Step 6: Final answer
    x = 458,181.86

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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.