Home / 433,303.69-649,824.30-117,719.59

Finding the Fourth Proportional to 433,303.69, 649,824.30 and 117,719.59

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Solution

The fourth proportional to 433,303.69, 649,824.30 and 117,719.59 is: 176,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,303.69 : 649,824.30 = 117,719.59 : x
  2. Step 2: Convert to fraction form
    433,303.69/649,824.30 = 117,719.59/x
  3. Step 3: Cross multiply
    433,303.69x = 649,824.30 × 117,719.59
  4. Step 4: Simplify right side
    433,303.69x = 76,497,050,168.04
  5. Step 5: Solve for x
    x = 76,497,050,168.04/433,303.69
  6. Step 6: Final answer
    x = 176,543.73

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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.