Home / 714,779.60-1,072,169.40-189,467.60

Finding the Fourth Proportional to 714,779.60, 1,072,169.40 and 189,467.60

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Solution

The fourth proportional to 714,779.60, 1,072,169.40 and 189,467.60 is: 284,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,779.60 : 1,072,169.40 = 189,467.60 : x
  2. Step 2: Convert to fraction form
    714,779.60/1,072,169.40 = 189,467.60/x
  3. Step 3: Cross multiply
    714,779.60x = 1,072,169.40 × 189,467.60
  4. Step 4: Simplify right side
    714,779.60x = 203,141,363,011.44
  5. Step 5: Solve for x
    x = 203,141,363,011.44/714,779.60
  6. Step 6: Final answer
    x = 284,201.40

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Double scale
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Similar ratio
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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.