Home / 701,128.80-1,051,693.20-195,688.80

Finding the Fourth Proportional to 701,128.80, 1,051,693.20 and 195,688.80

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Solution

The fourth proportional to 701,128.80, 1,051,693.20 and 195,688.80 is: 293,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,128.80 : 1,051,693.20 = 195,688.80 : x
  2. Step 2: Convert to fraction form
    701,128.80/1,051,693.20 = 195,688.80/x
  3. Step 3: Cross multiply
    701,128.80x = 1,051,693.20 × 195,688.80
  4. Step 4: Simplify right side
    701,128.80x = 205,804,580,276.16
  5. Step 5: Solve for x
    x = 205,804,580,276.16/701,128.80
  6. Step 6: Final answer
    x = 293,533.20

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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.