Home / 407,913.18-611,659.65-183,080.86

Finding the Fourth Proportional to 407,913.18, 611,659.65 and 183,080.86

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Solution

The fourth proportional to 407,913.18, 611,659.65 and 183,080.86 is: 274,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,913.18 : 611,659.65 = 183,080.86 : x
  2. Step 2: Convert to fraction form
    407,913.18/611,659.65 = 183,080.86/x
  3. Step 3: Cross multiply
    407,913.18x = 611,659.65 × 183,080.86
  4. Step 4: Simplify right side
    407,913.18x = 111,983,174,749.30
  5. Step 5: Solve for x
    x = 111,983,174,749.30/407,913.18
  6. Step 6: Final answer
    x = 274,526.98

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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.