Home / 499,199.58-688,885.28-272,846.70

Finding the Fourth Proportional to 499,199.58, 688,885.28 and 272,846.70

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Solution

The fourth proportional to 499,199.58, 688,885.28 and 272,846.70 is: 376,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,199.58 : 688,885.28 = 272,846.70 : x
  2. Step 2: Convert to fraction form
    499,199.58/688,885.28 = 272,846.70/x
  3. Step 3: Cross multiply
    499,199.58x = 688,885.28 × 272,846.70
  4. Step 4: Simplify right side
    499,199.58x = 187,960,075,326.58
  5. Step 5: Solve for x
    x = 187,960,075,326.58/499,199.58
  6. Step 6: Final answer
    x = 376,522.90

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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.