Home / 979,523.95-1,351,776.89-543,948.59

Finding the Fourth Proportional to 979,523.95, 1,351,776.89 and 543,948.59

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Solution

The fourth proportional to 979,523.95, 1,351,776.89 and 543,948.59 is: 750,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,523.95 : 1,351,776.89 = 543,948.59 : x
  2. Step 2: Convert to fraction form
    979,523.95/1,351,776.89 = 543,948.59/x
  3. Step 3: Cross multiply
    979,523.95x = 1,351,776.89 × 543,948.59
  4. Step 4: Simplify right side
    979,523.95x = 735,297,133,310.09
  5. Step 5: Solve for x
    x = 735,297,133,310.09/979,523.95
  6. Step 6: Final answer
    x = 750,667.85

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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.