Home / 1,185,535.38-1,636,038.68-641,671.06

Finding the Fourth Proportional to 1,185,535.38, 1,636,038.68 and 641,671.06

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Solution

The fourth proportional to 1,185,535.38, 1,636,038.68 and 641,671.06 is: 885,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,535.38 : 1,636,038.68 = 641,671.06 : x
  2. Step 2: Convert to fraction form
    1,185,535.38/1,636,038.68 = 641,671.06/x
  3. Step 3: Cross multiply
    1,185,535.38x = 1,636,038.68 × 641,671.06
  4. Step 4: Simplify right side
    1,185,535.38x = 1,049,798,673,996.60
  5. Step 5: Solve for x
    x = 1,049,798,673,996.60/1,185,535.38
  6. Step 6: Final answer
    x = 885,505.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.