Home / 479,106.90-719,158.77-352,889.64

Finding the Fourth Proportional to 479,106.90, 719,158.77 and 352,889.64

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Solution

The fourth proportional to 479,106.90, 719,158.77 and 352,889.64 is: 529,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,106.90 : 719,158.77 = 352,889.64 : x
  2. Step 2: Convert to fraction form
    479,106.90/719,158.77 = 352,889.64/x
  3. Step 3: Cross multiply
    479,106.90x = 719,158.77 × 352,889.64
  4. Step 4: Simplify right side
    479,106.90x = 253,783,679,448.14
  5. Step 5: Solve for x
    x = 253,783,679,448.14/479,106.90
  6. Step 6: Final answer
    x = 529,701.57

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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.