Home / 740,585.37-1,022,017.79-413,884.05

Finding the Fourth Proportional to 740,585.37, 1,022,017.79 and 413,884.05

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Solution

The fourth proportional to 740,585.37, 1,022,017.79 and 413,884.05 is: 571,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,585.37 : 1,022,017.79 = 413,884.05 : x
  2. Step 2: Convert to fraction form
    740,585.37/1,022,017.79 = 413,884.05/x
  3. Step 3: Cross multiply
    740,585.37x = 1,022,017.79 × 413,884.05
  4. Step 4: Simplify right side
    740,585.37x = 422,996,860,027.83
  5. Step 5: Solve for x
    x = 422,996,860,027.83/740,585.37
  6. Step 6: Final answer
    x = 571,165.56

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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.