Home / 1,085,693.60-1,628,540.40-525,821.60

Finding the Fourth Proportional to 1,085,693.60, 1,628,540.40 and 525,821.60

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Solution

The fourth proportional to 1,085,693.60, 1,628,540.40 and 525,821.60 is: 788,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,693.60 : 1,628,540.40 = 525,821.60 : x
  2. Step 2: Convert to fraction form
    1,085,693.60/1,628,540.40 = 525,821.60/x
  3. Step 3: Cross multiply
    1,085,693.60x = 1,628,540.40 × 525,821.60
  4. Step 4: Simplify right side
    1,085,693.60x = 856,321,718,792.64
  5. Step 5: Solve for x
    x = 856,321,718,792.64/1,085,693.60
  6. Step 6: Final answer
    x = 788,732.40

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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.