Home / 1,182,971.60-1,632,501.57-639,107.07

Finding the Fourth Proportional to 1,182,971.60, 1,632,501.57 and 639,107.07

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Solution

The fourth proportional to 1,182,971.60, 1,632,501.57 and 639,107.07 is: 881,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,971.60 : 1,632,501.57 = 639,107.07 : x
  2. Step 2: Convert to fraction form
    1,182,971.60/1,632,501.57 = 639,107.07/x
  3. Step 3: Cross multiply
    1,182,971.60x = 1,632,501.57 × 639,107.07
  4. Step 4: Simplify right side
    1,182,971.60x = 1,043,343,295,173.10
  5. Step 5: Solve for x
    x = 1,043,343,295,173.10/1,182,971.60
  6. Step 6: Final answer
    x = 881,968.17

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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.