Home / 901,208.72-1,353,562.68-663,613.04

Finding the Fourth Proportional to 901,208.72, 1,353,562.68 and 663,613.04

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Solution

The fourth proportional to 901,208.72, 1,353,562.68 and 663,613.04 is: 996,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,208.72 : 1,353,562.68 = 663,613.04 : x
  2. Step 2: Convert to fraction form
    901,208.72/1,353,562.68 = 663,613.04/x
  3. Step 3: Cross multiply
    901,208.72x = 1,353,562.68 × 663,613.04
  4. Step 4: Simplify right side
    901,208.72x = 898,241,844,905.35
  5. Step 5: Solve for x
    x = 898,241,844,905.35/901,208.72
  6. Step 6: Final answer
    x = 996,707.89

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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.