Home / 1,479,440.57-2,219,182.71-414,415.31

Finding the Fourth Proportional to 1,479,440.57, 2,219,182.71 and 414,415.31

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Solution

The fourth proportional to 1,479,440.57, 2,219,182.71 and 414,415.31 is: 621,629.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,440.57 : 2,219,182.71 = 414,415.31 : x
  2. Step 2: Convert to fraction form
    1,479,440.57/2,219,182.71 = 414,415.31/x
  3. Step 3: Cross multiply
    1,479,440.57x = 2,219,182.71 × 414,415.31
  4. Step 4: Simplify right side
    1,479,440.57x = 919,663,279,615.38
  5. Step 5: Solve for x
    x = 919,663,279,615.38/1,479,440.57
  6. Step 6: Final answer
    x = 621,629.08

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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.