Home / 1,039,734.84-1,559,751.02-320,137.42

Finding the Fourth Proportional to 1,039,734.84, 1,559,751.02 and 320,137.42

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Solution

The fourth proportional to 1,039,734.84, 1,559,751.02 and 320,137.42 is: 480,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,734.84 : 1,559,751.02 = 320,137.42 : x
  2. Step 2: Convert to fraction form
    1,039,734.84/1,559,751.02 = 320,137.42/x
  3. Step 3: Cross multiply
    1,039,734.84x = 1,559,751.02 × 320,137.42
  4. Step 4: Simplify right side
    1,039,734.84x = 499,334,667,385.17
  5. Step 5: Solve for x
    x = 499,334,667,385.17/1,039,734.84
  6. Step 6: Final answer
    x = 480,251.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.