Home / 1,168,528.50-1,612,569.33-631,984.50

Finding the Fourth Proportional to 1,168,528.50, 1,612,569.33 and 631,984.50

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Solution

The fourth proportional to 1,168,528.50, 1,612,569.33 and 631,984.50 is: 872,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,528.50 : 1,612,569.33 = 631,984.50 : x
  2. Step 2: Convert to fraction form
    1,168,528.50/1,612,569.33 = 631,984.50/x
  3. Step 3: Cross multiply
    1,168,528.50x = 1,612,569.33 × 631,984.50
  4. Step 4: Simplify right side
    1,168,528.50x = 1,019,118,821,735.39
  5. Step 5: Solve for x
    x = 1,019,118,821,735.39/1,168,528.50
  6. Step 6: Final answer
    x = 872,138.61

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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.