Home / 457,156.80-630,883.07-263,561.19

Finding the Fourth Proportional to 457,156.80, 630,883.07 and 263,561.19

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Solution

The fourth proportional to 457,156.80, 630,883.07 and 263,561.19 is: 363,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,156.80 : 630,883.07 = 263,561.19 : x
  2. Step 2: Convert to fraction form
    457,156.80/630,883.07 = 263,561.19/x
  3. Step 3: Cross multiply
    457,156.80x = 630,883.07 × 263,561.19
  4. Step 4: Simplify right side
    457,156.80x = 166,276,291,362.25
  5. Step 5: Solve for x
    x = 166,276,291,362.25/457,156.80
  6. Step 6: Final answer
    x = 363,718.29

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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.