Home / 980,594.10-1,353,787.02-641,652.84

Finding the Fourth Proportional to 980,594.10, 1,353,787.02 and 641,652.84

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Solution

The fourth proportional to 980,594.10, 1,353,787.02 and 641,652.84 is: 885,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,594.10 : 1,353,787.02 = 641,652.84 : x
  2. Step 2: Convert to fraction form
    980,594.10/1,353,787.02 = 641,652.84/x
  3. Step 3: Cross multiply
    980,594.10x = 1,353,787.02 × 641,652.84
  4. Step 4: Simplify right side
    980,594.10x = 868,661,286,138.14
  5. Step 5: Solve for x
    x = 868,661,286,138.14/980,594.10
  6. Step 6: Final answer
    x = 885,852.04

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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.