Home / 1,227,547.96-1,840,140.92-628,791.10

Finding the Fourth Proportional to 1,227,547.96, 1,840,140.92 and 628,791.10

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Solution

The fourth proportional to 1,227,547.96, 1,840,140.92 and 628,791.10 is: 942,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,547.96 : 1,840,140.92 = 628,791.10 : x
  2. Step 2: Convert to fraction form
    1,227,547.96/1,840,140.92 = 628,791.10/x
  3. Step 3: Cross multiply
    1,227,547.96x = 1,840,140.92 × 628,791.10
  4. Step 4: Simplify right side
    1,227,547.96x = 1,157,064,230,213.44
  5. Step 5: Solve for x
    x = 1,157,064,230,213.44/1,227,547.96
  6. Step 6: Final answer
    x = 942,581.69

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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.