Home / 556,949.56-769,217.30-376,407.25

Finding the Fourth Proportional to 556,949.56, 769,217.30 and 376,407.25

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Solution

The fourth proportional to 556,949.56, 769,217.30 and 376,407.25 is: 519,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,949.56 : 769,217.30 = 376,407.25 : x
  2. Step 2: Convert to fraction form
    556,949.56/769,217.30 = 376,407.25/x
  3. Step 3: Cross multiply
    556,949.56x = 769,217.30 × 376,407.25
  4. Step 4: Simplify right side
    556,949.56x = 289,538,968,545.43
  5. Step 5: Solve for x
    x = 289,538,968,545.43/556,949.56
  6. Step 6: Final answer
    x = 519,865.69

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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.