Home / 851,416.44-1,174,932.72-469,436.64

Finding the Fourth Proportional to 851,416.44, 1,174,932.72 and 469,436.64

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Solution

The fourth proportional to 851,416.44, 1,174,932.72 and 469,436.64 is: 647,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,416.44 : 1,174,932.72 = 469,436.64 : x
  2. Step 2: Convert to fraction form
    851,416.44/1,174,932.72 = 469,436.64/x
  3. Step 3: Cross multiply
    851,416.44x = 1,174,932.72 × 469,436.64
  4. Step 4: Simplify right side
    851,416.44x = 551,556,468,302.86
  5. Step 5: Solve for x
    x = 551,556,468,302.86/851,416.44
  6. Step 6: Final answer
    x = 647,810.45

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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.