Home / 1,097,683.60-1,646,525.40-388,512.40

Finding the Fourth Proportional to 1,097,683.60, 1,646,525.40 and 388,512.40

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Solution

The fourth proportional to 1,097,683.60, 1,646,525.40 and 388,512.40 is: 582,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,683.60 : 1,646,525.40 = 388,512.40 : x
  2. Step 2: Convert to fraction form
    1,097,683.60/1,646,525.40 = 388,512.40/x
  3. Step 3: Cross multiply
    1,097,683.60x = 1,646,525.40 × 388,512.40
  4. Step 4: Simplify right side
    1,097,683.60x = 639,695,534,814.96
  5. Step 5: Solve for x
    x = 639,695,534,814.96/1,097,683.60
  6. Step 6: Final answer
    x = 582,768.60

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Double scale
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Similar ratio
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1.5x scale

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.