Home / 1,161,851.76-1,743,459.75-487,881.18

Finding the Fourth Proportional to 1,161,851.76, 1,743,459.75 and 487,881.18

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Solution

The fourth proportional to 1,161,851.76, 1,743,459.75 and 487,881.18 is: 732,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,851.76 : 1,743,459.75 = 487,881.18 : x
  2. Step 2: Convert to fraction form
    1,161,851.76/1,743,459.75 = 487,881.18/x
  3. Step 3: Cross multiply
    1,161,851.76x = 1,743,459.75 × 487,881.18
  4. Step 4: Simplify right side
    1,161,851.76x = 850,601,200,112.51
  5. Step 5: Solve for x
    x = 850,601,200,112.51/1,161,851.76
  6. Step 6: Final answer
    x = 732,108.20

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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.