Home / 851,415.44-1,174,931.34-469,435.64

Finding the Fourth Proportional to 851,415.44, 1,174,931.34 and 469,435.64

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Solution

The fourth proportional to 851,415.44, 1,174,931.34 and 469,435.64 is: 647,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,415.44 : 1,174,931.34 = 469,435.64 : x
  2. Step 2: Convert to fraction form
    851,415.44/1,174,931.34 = 469,435.64/x
  3. Step 3: Cross multiply
    851,415.44x = 1,174,931.34 × 469,435.64
  4. Step 4: Simplify right side
    851,415.44x = 551,554,645,548.96
  5. Step 5: Solve for x
    x = 551,554,645,548.96/851,415.44
  6. Step 6: Final answer
    x = 647,809.07

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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.