Home / 1,638,117.60-2,260,613.51-913,012.03

Finding the Fourth Proportional to 1,638,117.60, 2,260,613.51 and 913,012.03

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Solution

The fourth proportional to 1,638,117.60, 2,260,613.51 and 913,012.03 is: 1,259,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,117.60 : 2,260,613.51 = 913,012.03 : x
  2. Step 2: Convert to fraction form
    1,638,117.60/2,260,613.51 = 913,012.03/x
  3. Step 3: Cross multiply
    1,638,117.60x = 2,260,613.51 × 913,012.03
  4. Step 4: Simplify right side
    1,638,117.60x = 2,063,967,325,245.47
  5. Step 5: Solve for x
    x = 2,063,967,325,245.47/1,638,117.60
  6. Step 6: Final answer
    x = 1,259,962.86

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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.