Home / 1,189,417.08-1,784,475.60-479,079.48

Finding the Fourth Proportional to 1,189,417.08, 1,784,475.60 and 479,079.48

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Solution

The fourth proportional to 1,189,417.08, 1,784,475.60 and 479,079.48 is: 718,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,417.08 : 1,784,475.60 = 479,079.48 : x
  2. Step 2: Convert to fraction form
    1,189,417.08/1,784,475.60 = 479,079.48/x
  3. Step 3: Cross multiply
    1,189,417.08x = 1,784,475.60 × 479,079.48
  4. Step 4: Simplify right side
    1,189,417.08x = 854,905,642,520.69
  5. Step 5: Solve for x
    x = 854,905,642,520.69/1,189,417.08
  6. Step 6: Final answer
    x = 718,760.19

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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.