Home / 637,905.60-956,858.40-194,673.60

Finding the Fourth Proportional to 637,905.60, 956,858.40 and 194,673.60

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Solution

The fourth proportional to 637,905.60, 956,858.40 and 194,673.60 is: 292,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,905.60 : 956,858.40 = 194,673.60 : x
  2. Step 2: Convert to fraction form
    637,905.60/956,858.40 = 194,673.60/x
  3. Step 3: Cross multiply
    637,905.60x = 956,858.40 × 194,673.60
  4. Step 4: Simplify right side
    637,905.60x = 186,275,069,418.24
  5. Step 5: Solve for x
    x = 186,275,069,418.24/637,905.60
  6. Step 6: Final answer
    x = 292,010.40

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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.