Home / 457,017.69-630,680.03-263,354.25

Finding the Fourth Proportional to 457,017.69, 630,680.03 and 263,354.25

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Solution

The fourth proportional to 457,017.69, 630,680.03 and 263,354.25 is: 363,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,017.69 : 630,680.03 = 263,354.25 : x
  2. Step 2: Convert to fraction form
    457,017.69/630,680.03 = 263,354.25/x
  3. Step 3: Cross multiply
    457,017.69x = 630,680.03 × 263,354.25
  4. Step 4: Simplify right side
    457,017.69x = 166,092,266,290.63
  5. Step 5: Solve for x
    x = 166,092,266,290.63/457,017.69
  6. Step 6: Final answer
    x = 363,426.34

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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.