Home / 826,985.56-1,141,175.10-469,289.56

Finding the Fourth Proportional to 826,985.56, 1,141,175.10 and 469,289.56

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Solution

The fourth proportional to 826,985.56, 1,141,175.10 and 469,289.56 is: 647,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,985.56 : 1,141,175.10 = 469,289.56 : x
  2. Step 2: Convert to fraction form
    826,985.56/1,141,175.10 = 469,289.56/x
  3. Step 3: Cross multiply
    826,985.56x = 1,141,175.10 × 469,289.56
  4. Step 4: Simplify right side
    826,985.56x = 535,541,560,561.96
  5. Step 5: Solve for x
    x = 535,541,560,561.96/826,985.56
  6. Step 6: Final answer
    x = 647,582.72

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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.