Home / 626,075.22-863,977.68-339,591.18

Finding the Fourth Proportional to 626,075.22, 863,977.68 and 339,591.18

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Solution

The fourth proportional to 626,075.22, 863,977.68 and 339,591.18 is: 468,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,075.22 : 863,977.68 = 339,591.18 : x
  2. Step 2: Convert to fraction form
    626,075.22/863,977.68 = 339,591.18/x
  3. Step 3: Cross multiply
    626,075.22x = 863,977.68 × 339,591.18
  4. Step 4: Simplify right side
    626,075.22x = 293,399,199,844.86
  5. Step 5: Solve for x
    x = 293,399,199,844.86/626,075.22
  6. Step 6: Final answer
    x = 468,632.51

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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.