Home / 554,276.30-831,415.15-133,552.17

Finding the Fourth Proportional to 554,276.30, 831,415.15 and 133,552.17

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Solution

The fourth proportional to 554,276.30, 831,415.15 and 133,552.17 is: 200,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,276.30 : 831,415.15 = 133,552.17 : x
  2. Step 2: Convert to fraction form
    554,276.30/831,415.15 = 133,552.17/x
  3. Step 3: Cross multiply
    554,276.30x = 831,415.15 × 133,552.17
  4. Step 4: Simplify right side
    554,276.30x = 111,037,297,620.32
  5. Step 5: Solve for x
    x = 111,037,297,620.32/554,276.30
  6. Step 6: Final answer
    x = 200,328.43

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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.