Home / 934,171.68-1,289,160.86-526,278.42

Finding the Fourth Proportional to 934,171.68, 1,289,160.86 and 526,278.42

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Solution

The fourth proportional to 934,171.68, 1,289,160.86 and 526,278.42 is: 726,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,171.68 : 1,289,160.86 = 526,278.42 : x
  2. Step 2: Convert to fraction form
    934,171.68/1,289,160.86 = 526,278.42/x
  3. Step 3: Cross multiply
    934,171.68x = 1,289,160.86 × 526,278.42
  4. Step 4: Simplify right side
    934,171.68x = 678,457,531,449.45
  5. Step 5: Solve for x
    x = 678,457,531,449.45/934,171.68
  6. Step 6: Final answer
    x = 726,266.43

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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.