Home / 497,206.26-686,093.22-279,380.34

Finding the Fourth Proportional to 497,206.26, 686,093.22 and 279,380.34

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Solution

The fourth proportional to 497,206.26, 686,093.22 and 279,380.34 is: 385,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,206.26 : 686,093.22 = 279,380.34 : x
  2. Step 2: Convert to fraction form
    497,206.26/686,093.22 = 279,380.34/x
  3. Step 3: Cross multiply
    497,206.26x = 686,093.22 × 279,380.34
  4. Step 4: Simplify right side
    497,206.26x = 191,680,957,075.30
  5. Step 5: Solve for x
    x = 191,680,957,075.30/497,206.26
  6. Step 6: Final answer
    x = 385,515.98

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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.