Home / 1,022,990.54-1,534,485.56-349,071.80

Finding the Fourth Proportional to 1,022,990.54, 1,534,485.56 and 349,071.80

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Solution

The fourth proportional to 1,022,990.54, 1,534,485.56 and 349,071.80 is: 523,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,990.54 : 1,534,485.56 = 349,071.80 : x
  2. Step 2: Convert to fraction form
    1,022,990.54/1,534,485.56 = 349,071.80/x
  3. Step 3: Cross multiply
    1,022,990.54x = 1,534,485.56 × 349,071.80
  4. Step 4: Simplify right side
    1,022,990.54x = 535,645,627,085.42
  5. Step 5: Solve for x
    x = 535,645,627,085.42/1,022,990.54
  6. Step 6: Final answer
    x = 523,607.61

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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.