Home / 854,065.66-1,178,610.87-466,882.78

Finding the Fourth Proportional to 854,065.66, 1,178,610.87 and 466,882.78

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Solution

The fourth proportional to 854,065.66, 1,178,610.87 and 466,882.78 is: 644,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,065.66 : 1,178,610.87 = 466,882.78 : x
  2. Step 2: Convert to fraction form
    854,065.66/1,178,610.87 = 466,882.78/x
  3. Step 3: Cross multiply
    854,065.66x = 1,178,610.87 × 466,882.78
  4. Step 4: Simplify right side
    854,065.66x = 550,273,118,328.10
  5. Step 5: Solve for x
    x = 550,273,118,328.10/854,065.66
  6. Step 6: Final answer
    x = 644,298.37

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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.