Home / 531,461.42-797,317.88-211,631.80

Finding the Fourth Proportional to 531,461.42, 797,317.88 and 211,631.80

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Solution

The fourth proportional to 531,461.42, 797,317.88 and 211,631.80 is: 317,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,461.42 : 797,317.88 = 211,631.80 : x
  2. Step 2: Convert to fraction form
    531,461.42/797,317.88 = 211,631.80/x
  3. Step 3: Cross multiply
    531,461.42x = 797,317.88 × 211,631.80
  4. Step 4: Simplify right side
    531,461.42x = 168,737,818,116.58
  5. Step 5: Solve for x
    x = 168,737,818,116.58/531,461.42
  6. Step 6: Final answer
    x = 317,497.77

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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.