Home / 904,015.72-1,248,006.18-636,936.04

Finding the Fourth Proportional to 904,015.72, 1,248,006.18 and 636,936.04

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Solution

The fourth proportional to 904,015.72, 1,248,006.18 and 636,936.04 is: 879,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,015.72 : 1,248,006.18 = 636,936.04 : x
  2. Step 2: Convert to fraction form
    904,015.72/1,248,006.18 = 636,936.04/x
  3. Step 3: Cross multiply
    904,015.72x = 1,248,006.18 × 636,936.04
  4. Step 4: Simplify right side
    904,015.72x = 794,900,114,184.73
  5. Step 5: Solve for x
    x = 794,900,114,184.73/904,015.72
  6. Step 6: Final answer
    x = 879,299.00

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1.5x scale

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.