Home / 753,982.34-1,039,525.50-617,513.54

Finding the Fourth Proportional to 753,982.34, 1,039,525.50 and 617,513.54

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Solution

The fourth proportional to 753,982.34, 1,039,525.50 and 617,513.54 is: 851,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,982.34 : 1,039,525.50 = 617,513.54 : x
  2. Step 2: Convert to fraction form
    753,982.34/1,039,525.50 = 617,513.54/x
  3. Step 3: Cross multiply
    753,982.34x = 1,039,525.50 × 617,513.54
  4. Step 4: Simplify right side
    753,982.34x = 641,921,071,425.27
  5. Step 5: Solve for x
    x = 641,921,071,425.27/753,982.34
  6. Step 6: Final answer
    x = 851,374.15

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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.