Home / 1,131,637.03-1,561,627.96-622,339.40

Finding the Fourth Proportional to 1,131,637.03, 1,561,627.96 and 622,339.40

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Solution

The fourth proportional to 1,131,637.03, 1,561,627.96 and 622,339.40 is: 858,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,637.03 : 1,561,627.96 = 622,339.40 : x
  2. Step 2: Convert to fraction form
    1,131,637.03/1,561,627.96 = 622,339.40/x
  3. Step 3: Cross multiply
    1,131,637.03x = 1,561,627.96 × 622,339.40
  4. Step 4: Simplify right side
    1,131,637.03x = 971,862,609,997.85
  5. Step 5: Solve for x
    x = 971,862,609,997.85/1,131,637.03
  6. Step 6: Final answer
    x = 858,811.25

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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.