Home / 1,426,921.74-2,140,421.56-416,019.26

Finding the Fourth Proportional to 1,426,921.74, 2,140,421.56 and 416,019.26

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Solution

The fourth proportional to 1,426,921.74, 2,140,421.56 and 416,019.26 is: 624,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,921.74 : 2,140,421.56 = 416,019.26 : x
  2. Step 2: Convert to fraction form
    1,426,921.74/2,140,421.56 = 416,019.26/x
  3. Step 3: Cross multiply
    1,426,921.74x = 2,140,421.56 × 416,019.26
  4. Step 4: Simplify right side
    1,426,921.74x = 890,456,597,790.25
  5. Step 5: Solve for x
    x = 890,456,597,790.25/1,426,921.74
  6. Step 6: Final answer
    x = 624,040.25

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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.