Home / 740,616.08-1,021,285.80-633,540.56

Finding the Fourth Proportional to 740,616.08, 1,021,285.80 and 633,540.56

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Solution

The fourth proportional to 740,616.08, 1,021,285.80 and 633,540.56 is: 873,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,616.08 : 1,021,285.80 = 633,540.56 : x
  2. Step 2: Convert to fraction form
    740,616.08/1,021,285.80 = 633,540.56/x
  3. Step 3: Cross multiply
    740,616.08x = 1,021,285.80 × 633,540.56
  4. Step 4: Simplify right side
    740,616.08x = 647,025,977,652.05
  5. Step 5: Solve for x
    x = 647,025,977,652.05/740,616.08
  6. Step 6: Final answer
    x = 873,632.10

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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.