Home / 636,967.04-955,575.84-210,485.66

Finding the Fourth Proportional to 636,967.04, 955,575.84 and 210,485.66

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Solution

The fourth proportional to 636,967.04, 955,575.84 and 210,485.66 is: 315,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,967.04 : 955,575.84 = 210,485.66 : x
  2. Step 2: Convert to fraction form
    636,967.04/955,575.84 = 210,485.66/x
  3. Step 3: Cross multiply
    636,967.04x = 955,575.84 × 210,485.66
  4. Step 4: Simplify right side
    636,967.04x = 201,135,011,362.45
  5. Step 5: Solve for x
    x = 201,135,011,362.45/636,967.04
  6. Step 6: Final answer
    x = 315,769.89

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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.