Home / 827,764.20-1,241,646.30-575,821.80

Finding the Fourth Proportional to 827,764.20, 1,241,646.30 and 575,821.80

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Solution

The fourth proportional to 827,764.20, 1,241,646.30 and 575,821.80 is: 863,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,764.20 : 1,241,646.30 = 575,821.80 : x
  2. Step 2: Convert to fraction form
    827,764.20/1,241,646.30 = 575,821.80/x
  3. Step 3: Cross multiply
    827,764.20x = 1,241,646.30 × 575,821.80
  4. Step 4: Simplify right side
    827,764.20x = 714,967,007,429.34
  5. Step 5: Solve for x
    x = 714,967,007,429.34/827,764.20
  6. Step 6: Final answer
    x = 863,732.70

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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.