Home / 742,646.52-1,114,028.64-210,170.88

Finding the Fourth Proportional to 742,646.52, 1,114,028.64 and 210,170.88

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Solution

The fourth proportional to 742,646.52, 1,114,028.64 and 210,170.88 is: 315,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,646.52 : 1,114,028.64 = 210,170.88 : x
  2. Step 2: Convert to fraction form
    742,646.52/1,114,028.64 = 210,170.88/x
  3. Step 3: Cross multiply
    742,646.52x = 1,114,028.64 × 210,170.88
  4. Step 4: Simplify right side
    742,646.52x = 234,136,379,614.00
  5. Step 5: Solve for x
    x = 234,136,379,614.00/742,646.52
  6. Step 6: Final answer
    x = 315,272.98

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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.