Home / 939,308.94-1,296,250.20-509,592.15

Finding the Fourth Proportional to 939,308.94, 1,296,250.20 and 509,592.15

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Solution

The fourth proportional to 939,308.94, 1,296,250.20 and 509,592.15 is: 703,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,308.94 : 1,296,250.20 = 509,592.15 : x
  2. Step 2: Convert to fraction form
    939,308.94/1,296,250.20 = 509,592.15/x
  3. Step 3: Cross multiply
    939,308.94x = 1,296,250.20 × 509,592.15
  4. Step 4: Simplify right side
    939,308.94x = 660,558,926,355.93
  5. Step 5: Solve for x
    x = 660,558,926,355.93/939,308.94
  6. Step 6: Final answer
    x = 703,239.26

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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.