Home / 637,747.05-880,057.65-396,024.42

Finding the Fourth Proportional to 637,747.05, 880,057.65 and 396,024.42

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Solution

The fourth proportional to 637,747.05, 880,057.65 and 396,024.42 is: 546,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,747.05 : 880,057.65 = 396,024.42 : x
  2. Step 2: Convert to fraction form
    637,747.05/880,057.65 = 396,024.42/x
  3. Step 3: Cross multiply
    637,747.05x = 880,057.65 × 396,024.42
  4. Step 4: Simplify right side
    637,747.05x = 348,524,320,407.81
  5. Step 5: Solve for x
    x = 348,524,320,407.81/637,747.05
  6. Step 6: Final answer
    x = 546,493.03

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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.