Home / 826,800.30-1,240,200.45-686,832.30

Finding the Fourth Proportional to 826,800.30, 1,240,200.45 and 686,832.30

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Solution

The fourth proportional to 826,800.30, 1,240,200.45 and 686,832.30 is: 1,030,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,800.30 : 1,240,200.45 = 686,832.30 : x
  2. Step 2: Convert to fraction form
    826,800.30/1,240,200.45 = 686,832.30/x
  3. Step 3: Cross multiply
    826,800.30x = 1,240,200.45 × 686,832.30
  4. Step 4: Simplify right side
    826,800.30x = 851,809,727,534.54
  5. Step 5: Solve for x
    x = 851,809,727,534.54/826,800.30
  6. Step 6: Final answer
    x = 1,030,248.45

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1.5x scale

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.