Home / 934,178.56-1,289,170.36-526,285.28

Finding the Fourth Proportional to 934,178.56, 1,289,170.36 and 526,285.28

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Solution

The fourth proportional to 934,178.56, 1,289,170.36 and 526,285.28 is: 726,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,178.56 : 1,289,170.36 = 526,285.28 : x
  2. Step 2: Convert to fraction form
    934,178.56/1,289,170.36 = 526,285.28/x
  3. Step 3: Cross multiply
    934,178.56x = 1,289,170.36 × 526,285.28
  4. Step 4: Simplify right side
    934,178.56x = 678,471,383,880.30
  5. Step 5: Solve for x
    x = 678,471,383,880.30/934,178.56
  6. Step 6: Final answer
    x = 726,275.91

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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.