Home / 829,881.99-1,145,725.20-782,052.30

Finding the Fourth Proportional to 829,881.99, 1,145,725.20 and 782,052.30

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Solution

The fourth proportional to 829,881.99, 1,145,725.20 and 782,052.30 is: 1,079,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,881.99 : 1,145,725.20 = 782,052.30 : x
  2. Step 2: Convert to fraction form
    829,881.99/1,145,725.20 = 782,052.30/x
  3. Step 3: Cross multiply
    829,881.99x = 1,145,725.20 × 782,052.30
  4. Step 4: Simplify right side
    829,881.99x = 896,017,027,827.96
  5. Step 5: Solve for x
    x = 896,017,027,827.96/829,881.99
  6. Step 6: Final answer
    x = 1,079,692.10

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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.