Home / 1,191,560.64-1,786,779.40-432,867.12

Finding the Fourth Proportional to 1,191,560.64, 1,786,779.40 and 432,867.12

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Solution

The fourth proportional to 1,191,560.64, 1,786,779.40 and 432,867.12 is: 649,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,560.64 : 1,786,779.40 = 432,867.12 : x
  2. Step 2: Convert to fraction form
    1,191,560.64/1,786,779.40 = 432,867.12/x
  3. Step 3: Cross multiply
    1,191,560.64x = 1,786,779.40 × 432,867.12
  4. Step 4: Simplify right side
    1,191,560.64x = 773,438,052,953.33
  5. Step 5: Solve for x
    x = 773,438,052,953.33/1,191,560.64
  6. Step 6: Final answer
    x = 649,096.68

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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.