Home / 1,427,240.71-2,140,633.05-416,126.22

Finding the Fourth Proportional to 1,427,240.71, 2,140,633.05 and 416,126.22

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Solution

The fourth proportional to 1,427,240.71, 2,140,633.05 and 416,126.22 is: 624,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,240.71 : 2,140,633.05 = 416,126.22 : x
  2. Step 2: Convert to fraction form
    1,427,240.71/2,140,633.05 = 416,126.22/x
  3. Step 3: Cross multiply
    1,427,240.71x = 2,140,633.05 × 416,126.22
  4. Step 4: Simplify right side
    1,427,240.71x = 890,773,539,503.57
  5. Step 5: Solve for x
    x = 890,773,539,503.57/1,427,240.71
  6. Step 6: Final answer
    x = 624,122.85

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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.