Home / 831,106.11-1,146,877.11-482,219.55

Finding the Fourth Proportional to 831,106.11, 1,146,877.11 and 482,219.55

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Solution

The fourth proportional to 831,106.11, 1,146,877.11 and 482,219.55 is: 665,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,106.11 : 1,146,877.11 = 482,219.55 : x
  2. Step 2: Convert to fraction form
    831,106.11/1,146,877.11 = 482,219.55/x
  3. Step 3: Cross multiply
    831,106.11x = 1,146,877.11 × 482,219.55
  4. Step 4: Simplify right side
    831,106.11x = 553,046,563,889.50
  5. Step 5: Solve for x
    x = 553,046,563,889.50/831,106.11
  6. Step 6: Final answer
    x = 665,434.36

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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.