Home / 591,206.40-886,939.20-191,779.20

Finding the Fourth Proportional to 591,206.40, 886,939.20 and 191,779.20

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Solution

The fourth proportional to 591,206.40, 886,939.20 and 191,779.20 is: 287,710.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,206.40 : 886,939.20 = 191,779.20 : x
  2. Step 2: Convert to fraction form
    591,206.40/886,939.20 = 191,779.20/x
  3. Step 3: Cross multiply
    591,206.40x = 886,939.20 × 191,779.20
  4. Step 4: Simplify right side
    591,206.40x = 170,096,490,224.64
  5. Step 5: Solve for x
    x = 170,096,490,224.64/591,206.40
  6. Step 6: Final answer
    x = 287,710.84

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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.