Home / 323,066.09-484,599.02-86,402.62

Finding the Fourth Proportional to 323,066.09, 484,599.02 and 86,402.62

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Solution

The fourth proportional to 323,066.09, 484,599.02 and 86,402.62 is: 129,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,066.09 : 484,599.02 = 86,402.62 : x
  2. Step 2: Convert to fraction form
    323,066.09/484,599.02 = 86,402.62/x
  3. Step 3: Cross multiply
    323,066.09x = 484,599.02 × 86,402.62
  4. Step 4: Simplify right side
    323,066.09x = 41,870,624,977.43
  5. Step 5: Solve for x
    x = 41,870,624,977.43/323,066.09
  6. Step 6: Final answer
    x = 129,603.90

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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.