Home / 677,222.46-934,576.11-371,298.12

Finding the Fourth Proportional to 677,222.46, 934,576.11 and 371,298.12

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Solution

The fourth proportional to 677,222.46, 934,576.11 and 371,298.12 is: 512,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,222.46 : 934,576.11 = 371,298.12 : x
  2. Step 2: Convert to fraction form
    677,222.46/934,576.11 = 371,298.12/x
  3. Step 3: Cross multiply
    677,222.46x = 934,576.11 × 371,298.12
  4. Step 4: Simplify right side
    677,222.46x = 347,006,352,639.91
  5. Step 5: Solve for x
    x = 347,006,352,639.91/677,222.46
  6. Step 6: Final answer
    x = 512,396.40

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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.