Home / 344,113.20-514,711.80-308,829.60

Finding the Fourth Proportional to 344,113.20, 514,711.80 and 308,829.60

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Solution

The fourth proportional to 344,113.20, 514,711.80 and 308,829.60 is: 461,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,113.20 : 514,711.80 = 308,829.60 : x
  2. Step 2: Convert to fraction form
    344,113.20/514,711.80 = 308,829.60/x
  3. Step 3: Cross multiply
    344,113.20x = 514,711.80 × 308,829.60
  4. Step 4: Simplify right side
    344,113.20x = 158,958,239,309.28
  5. Step 5: Solve for x
    x = 158,958,239,309.28/344,113.20
  6. Step 6: Final answer
    x = 461,935.90

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1.5x scale

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.