Home / 1,886,153.81-2,828,996.82-538,434.50

Finding the Fourth Proportional to 1,886,153.81, 2,828,996.82 and 538,434.50

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Solution

The fourth proportional to 1,886,153.81, 2,828,996.82 and 538,434.50 is: 807,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,153.81 : 2,828,996.82 = 538,434.50 : x
  2. Step 2: Convert to fraction form
    1,886,153.81/2,828,996.82 = 538,434.50/x
  3. Step 3: Cross multiply
    1,886,153.81x = 2,828,996.82 × 538,434.50
  4. Step 4: Simplify right side
    1,886,153.81x = 1,523,229,474,133.31
  5. Step 5: Solve for x
    x = 1,523,229,474,133.31/1,886,153.81
  6. Step 6: Final answer
    x = 807,584.98

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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.