Home / 644,474.08-966,681.96-223,782.76

Finding the Fourth Proportional to 644,474.08, 966,681.96 and 223,782.76

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Solution

The fourth proportional to 644,474.08, 966,681.96 and 223,782.76 is: 335,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,474.08 : 966,681.96 = 223,782.76 : x
  2. Step 2: Convert to fraction form
    644,474.08/966,681.96 = 223,782.76/x
  3. Step 3: Cross multiply
    644,474.08x = 966,681.96 × 223,782.76
  4. Step 4: Simplify right side
    644,474.08x = 216,326,757,051.01
  5. Step 5: Solve for x
    x = 216,326,757,051.01/644,474.08
  6. Step 6: Final answer
    x = 335,664.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.