Home / 794,618.48-1,191,900.98-345,339.40

Finding the Fourth Proportional to 794,618.48, 1,191,900.98 and 345,339.40

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Solution

The fourth proportional to 794,618.48, 1,191,900.98 and 345,339.40 is: 517,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,618.48 : 1,191,900.98 = 345,339.40 : x
  2. Step 2: Convert to fraction form
    794,618.48/1,191,900.98 = 345,339.40/x
  3. Step 3: Cross multiply
    794,618.48x = 1,191,900.98 × 345,339.40
  4. Step 4: Simplify right side
    794,618.48x = 411,610,365,449.51
  5. Step 5: Solve for x
    x = 411,610,365,449.51/794,618.48
  6. Step 6: Final answer
    x = 517,997.48

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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.