Home / 1,205,037.42-1,805,857.02-665,536.92

Finding the Fourth Proportional to 1,205,037.42, 1,805,857.02 and 665,536.92

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Solution

The fourth proportional to 1,205,037.42, 1,805,857.02 and 665,536.92 is: 997,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,037.42 : 1,805,857.02 = 665,536.92 : x
  2. Step 2: Convert to fraction form
    1,205,037.42/1,805,857.02 = 665,536.92/x
  3. Step 3: Cross multiply
    1,205,037.42x = 1,805,857.02 × 665,536.92
  4. Step 4: Simplify right side
    1,205,037.42x = 1,201,864,519,051.18
  5. Step 5: Solve for x
    x = 1,201,864,519,051.18/1,205,037.42
  6. Step 6: Final answer
    x = 997,366.97

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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.