Home / 939,188.38-1,296,079.86-531,281.48

Finding the Fourth Proportional to 939,188.38, 1,296,079.86 and 531,281.48

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Solution

The fourth proportional to 939,188.38, 1,296,079.86 and 531,281.48 is: 733,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,188.38 : 1,296,079.86 = 531,281.48 : x
  2. Step 2: Convert to fraction form
    939,188.38/1,296,079.86 = 531,281.48/x
  3. Step 3: Cross multiply
    939,188.38x = 1,296,079.86 × 531,281.48
  4. Step 4: Simplify right side
    939,188.38x = 688,583,226,218.99
  5. Step 5: Solve for x
    x = 688,583,226,218.99/939,188.38
  6. Step 6: Final answer
    x = 733,168.38

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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.