Home / 1,561,339.56-2,153,817.48-949,679.40

Finding the Fourth Proportional to 1,561,339.56, 2,153,817.48 and 949,679.40

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Solution

The fourth proportional to 1,561,339.56, 2,153,817.48 and 949,679.40 is: 1,310,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,339.56 : 2,153,817.48 = 949,679.40 : x
  2. Step 2: Convert to fraction form
    1,561,339.56/2,153,817.48 = 949,679.40/x
  3. Step 3: Cross multiply
    1,561,339.56x = 2,153,817.48 × 949,679.40
  4. Step 4: Simplify right side
    1,561,339.56x = 2,045,436,092,115.91
  5. Step 5: Solve for x
    x = 2,045,436,092,115.91/1,561,339.56
  6. Step 6: Final answer
    x = 1,310,052.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.