Home / 925,518.60-1,388,606.71-413,137.30

Finding the Fourth Proportional to 925,518.60, 1,388,606.71 and 413,137.30

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Solution

The fourth proportional to 925,518.60, 1,388,606.71 and 413,137.30 is: 619,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,518.60 : 1,388,606.71 = 413,137.30 : x
  2. Step 2: Convert to fraction form
    925,518.60/1,388,606.71 = 413,137.30/x
  3. Step 3: Cross multiply
    925,518.60x = 1,388,606.71 × 413,137.30
  4. Step 4: Simplify right side
    925,518.60x = 573,685,229,710.65
  5. Step 5: Solve for x
    x = 573,685,229,710.65/925,518.60
  6. Step 6: Final answer
    x = 619,852.73

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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.