Home / 1,328,025.61-1,992,056.19-417,178.38

Finding the Fourth Proportional to 1,328,025.61, 1,992,056.19 and 417,178.38

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Solution

The fourth proportional to 1,328,025.61, 1,992,056.19 and 417,178.38 is: 625,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,025.61 : 1,992,056.19 = 417,178.38 : x
  2. Step 2: Convert to fraction form
    1,328,025.61/1,992,056.19 = 417,178.38/x
  3. Step 3: Cross multiply
    1,328,025.61x = 1,992,056.19 × 417,178.38
  4. Step 4: Simplify right side
    1,328,025.61x = 831,042,780,118.96
  5. Step 5: Solve for x
    x = 831,042,780,118.96/1,328,025.61
  6. Step 6: Final answer
    x = 625,773.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.