Home / 1,205,036.92-1,805,856.27-665,536.42

Finding the Fourth Proportional to 1,205,036.92, 1,805,856.27 and 665,536.42

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Solution

The fourth proportional to 1,205,036.92, 1,805,856.27 and 665,536.42 is: 997,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,036.92 : 1,805,856.27 = 665,536.42 : x
  2. Step 2: Convert to fraction form
    1,205,036.92/1,805,856.27 = 665,536.42/x
  3. Step 3: Cross multiply
    1,205,036.92x = 1,805,856.27 × 665,536.42
  4. Step 4: Simplify right side
    1,205,036.92x = 1,201,863,116,970.35
  5. Step 5: Solve for x
    x = 1,201,863,116,970.35/1,205,036.92
  6. Step 6: Final answer
    x = 997,366.22

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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.