Home / 927,021.60-1,390,532.40-295,999.20

Finding the Fourth Proportional to 927,021.60, 1,390,532.40 and 295,999.20

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Solution

The fourth proportional to 927,021.60, 1,390,532.40 and 295,999.20 is: 443,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,021.60 : 1,390,532.40 = 295,999.20 : x
  2. Step 2: Convert to fraction form
    927,021.60/1,390,532.40 = 295,999.20/x
  3. Step 3: Cross multiply
    927,021.60x = 1,390,532.40 × 295,999.20
  4. Step 4: Simplify right side
    927,021.60x = 411,596,477,974.08
  5. Step 5: Solve for x
    x = 411,596,477,974.08/927,021.60
  6. Step 6: Final answer
    x = 443,998.80

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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.