Home / 939,313.46-1,296,255.08-509,593.58

Finding the Fourth Proportional to 939,313.46, 1,296,255.08 and 509,593.58

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Solution

The fourth proportional to 939,313.46, 1,296,255.08 and 509,593.58 is: 703,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,313.46 : 1,296,255.08 = 509,593.58 : x
  2. Step 2: Convert to fraction form
    939,313.46/1,296,255.08 = 509,593.58/x
  3. Step 3: Cross multiply
    939,313.46x = 1,296,255.08 × 509,593.58
  4. Step 4: Simplify right side
    939,313.46x = 660,563,267,503.06
  5. Step 5: Solve for x
    x = 660,563,267,503.06/939,313.46
  6. Step 6: Final answer
    x = 703,240.50

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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.