Home / 1,074,393.78-1,611,415.54-316,057.94

Finding the Fourth Proportional to 1,074,393.78, 1,611,415.54 and 316,057.94

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Solution

The fourth proportional to 1,074,393.78, 1,611,415.54 and 316,057.94 is: 474,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,393.78 : 1,611,415.54 = 316,057.94 : x
  2. Step 2: Convert to fraction form
    1,074,393.78/1,611,415.54 = 316,057.94/x
  3. Step 3: Cross multiply
    1,074,393.78x = 1,611,415.54 × 316,057.94
  4. Step 4: Simplify right side
    1,074,393.78x = 509,300,676,056.39
  5. Step 5: Solve for x
    x = 509,300,676,056.39/1,074,393.78
  6. Step 6: Final answer
    x = 474,035.39

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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.