Home / 983,408.17-1,357,145.12-547,824.98

Finding the Fourth Proportional to 983,408.17, 1,357,145.12 and 547,824.98

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Solution

The fourth proportional to 983,408.17, 1,357,145.12 and 547,824.98 is: 756,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,408.17 : 1,357,145.12 = 547,824.98 : x
  2. Step 2: Convert to fraction form
    983,408.17/1,357,145.12 = 547,824.98/x
  3. Step 3: Cross multiply
    983,408.17x = 1,357,145.12 × 547,824.98
  4. Step 4: Simplify right side
    983,408.17x = 743,477,998,874.84
  5. Step 5: Solve for x
    x = 743,477,998,874.84/983,408.17
  6. Step 6: Final answer
    x = 756,021.79

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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.