Home / 529,674.23-730,964.58-287,973.11

Finding the Fourth Proportional to 529,674.23, 730,964.58 and 287,973.11

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Solution

The fourth proportional to 529,674.23, 730,964.58 and 287,973.11 is: 397,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,674.23 : 730,964.58 = 287,973.11 : x
  2. Step 2: Convert to fraction form
    529,674.23/730,964.58 = 287,973.11/x
  3. Step 3: Cross multiply
    529,674.23x = 730,964.58 × 287,973.11
  4. Step 4: Simplify right side
    529,674.23x = 210,498,143,402.44
  5. Step 5: Solve for x
    x = 210,498,143,402.44/529,674.23
  6. Step 6: Final answer
    x = 397,410.58

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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.