Home / 1,232,463.40-1,848,695.10-345,999.40

Finding the Fourth Proportional to 1,232,463.40, 1,848,695.10 and 345,999.40

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Solution

The fourth proportional to 1,232,463.40, 1,848,695.10 and 345,999.40 is: 518,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,463.40 : 1,848,695.10 = 345,999.40 : x
  2. Step 2: Convert to fraction form
    1,232,463.40/1,848,695.10 = 345,999.40/x
  3. Step 3: Cross multiply
    1,232,463.40x = 1,848,695.10 × 345,999.40
  4. Step 4: Simplify right side
    1,232,463.40x = 639,647,395,382.94
  5. Step 5: Solve for x
    x = 639,647,395,382.94/1,232,463.40
  6. Step 6: Final answer
    x = 518,999.10

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Double scale
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Similar ratio
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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.