Home / 934,174.12-1,289,164.23-526,280.85

Finding the Fourth Proportional to 934,174.12, 1,289,164.23 and 526,280.85

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Solution

The fourth proportional to 934,174.12, 1,289,164.23 and 526,280.85 is: 726,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,174.12 : 1,289,164.23 = 526,280.85 : x
  2. Step 2: Convert to fraction form
    934,174.12/1,289,164.23 = 526,280.85/x
  3. Step 3: Cross multiply
    934,174.12x = 1,289,164.23 × 526,280.85
  4. Step 4: Simplify right side
    934,174.12x = 678,462,440,308.17
  5. Step 5: Solve for x
    x = 678,462,440,308.17/934,174.12
  6. Step 6: Final answer
    x = 726,269.79

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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.