Home / 1,011,935.84-1,517,903.75-413,178.98

Finding the Fourth Proportional to 1,011,935.84, 1,517,903.75 and 413,178.98

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Solution

The fourth proportional to 1,011,935.84, 1,517,903.75 and 413,178.98 is: 619,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,935.84 : 1,517,903.75 = 413,178.98 : x
  2. Step 2: Convert to fraction form
    1,011,935.84/1,517,903.75 = 413,178.98/x
  3. Step 3: Cross multiply
    1,011,935.84x = 1,517,903.75 × 413,178.98
  4. Step 4: Simplify right side
    1,011,935.84x = 627,165,916,606.60
  5. Step 5: Solve for x
    x = 627,165,916,606.60/1,011,935.84
  6. Step 6: Final answer
    x = 619,768.46

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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.