Home / 939,814.55-1,296,973.02-552,559.72

Finding the Fourth Proportional to 939,814.55, 1,296,973.02 and 552,559.72

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Solution

The fourth proportional to 939,814.55, 1,296,973.02 and 552,559.72 is: 762,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,814.55 : 1,296,973.02 = 552,559.72 : x
  2. Step 2: Convert to fraction form
    939,814.55/1,296,973.02 = 552,559.72/x
  3. Step 3: Cross multiply
    939,814.55x = 1,296,973.02 × 552,559.72
  4. Step 4: Simplify right side
    939,814.55x = 716,655,048,778.75
  5. Step 5: Solve for x
    x = 716,655,048,778.75/939,814.55
  6. Step 6: Final answer
    x = 762,549.43

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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.