Home / 939,312.35-1,296,251.51-509,592.36

Finding the Fourth Proportional to 939,312.35, 1,296,251.51 and 509,592.36

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Solution

The fourth proportional to 939,312.35, 1,296,251.51 and 509,592.36 is: 703,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,312.35 : 1,296,251.51 = 509,592.36 : x
  2. Step 2: Convert to fraction form
    939,312.35/1,296,251.51 = 509,592.36/x
  3. Step 3: Cross multiply
    939,312.35x = 1,296,251.51 × 509,592.36
  4. Step 4: Simplify right side
    939,312.35x = 660,559,863,586.50
  5. Step 5: Solve for x
    x = 660,559,863,586.50/939,312.35
  6. Step 6: Final answer
    x = 703,237.71

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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.