Home / 803,211.84-1,108,447.12-440,654.24

Finding the Fourth Proportional to 803,211.84, 1,108,447.12 and 440,654.24

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Solution

The fourth proportional to 803,211.84, 1,108,447.12 and 440,654.24 is: 608,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,211.84 : 1,108,447.12 = 440,654.24 : x
  2. Step 2: Convert to fraction form
    803,211.84/1,108,447.12 = 440,654.24/x
  3. Step 3: Cross multiply
    803,211.84x = 1,108,447.12 × 440,654.24
  4. Step 4: Simplify right side
    803,211.84x = 488,441,923,243.79
  5. Step 5: Solve for x
    x = 488,441,923,243.79/803,211.84
  6. Step 6: Final answer
    x = 608,110.96

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Double scale
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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.