Home / 841,312.73-1,262,135.45-308,838.38

Finding the Fourth Proportional to 841,312.73, 1,262,135.45 and 308,838.38

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Solution

The fourth proportional to 841,312.73, 1,262,135.45 and 308,838.38 is: 463,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,312.73 : 1,262,135.45 = 308,838.38 : x
  2. Step 2: Convert to fraction form
    841,312.73/1,262,135.45 = 308,838.38/x
  3. Step 3: Cross multiply
    841,312.73x = 1,262,135.45 × 308,838.38
  4. Step 4: Simplify right side
    841,312.73x = 389,795,862,179.99
  5. Step 5: Solve for x
    x = 389,795,862,179.99/841,312.73
  6. Step 6: Final answer
    x = 463,318.63

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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.