Home / 812,616.06-1,121,037.90-526,228.38

Finding the Fourth Proportional to 812,616.06, 1,121,037.90 and 526,228.38

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Solution

The fourth proportional to 812,616.06, 1,121,037.90 and 526,228.38 is: 725,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,616.06 : 1,121,037.90 = 526,228.38 : x
  2. Step 2: Convert to fraction form
    812,616.06/1,121,037.90 = 526,228.38/x
  3. Step 3: Cross multiply
    812,616.06x = 1,121,037.90 × 526,228.38
  4. Step 4: Simplify right side
    812,616.06x = 589,921,958,035.60
  5. Step 5: Solve for x
    x = 589,921,958,035.60/812,616.06
  6. Step 6: Final answer
    x = 725,954.10

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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.