Home / 831,252.55-1,147,105.50-468,673.21

Finding the Fourth Proportional to 831,252.55, 1,147,105.50 and 468,673.21

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Solution

The fourth proportional to 831,252.55, 1,147,105.50 and 468,673.21 is: 646,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,252.55 : 1,147,105.50 = 468,673.21 : x
  2. Step 2: Convert to fraction form
    831,252.55/1,147,105.50 = 468,673.21/x
  3. Step 3: Cross multiply
    831,252.55x = 1,147,105.50 × 468,673.21
  4. Step 4: Simplify right side
    831,252.55x = 537,617,616,893.66
  5. Step 5: Solve for x
    x = 537,617,616,893.66/831,252.55
  6. Step 6: Final answer
    x = 646,756.05

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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.