Home / 1,301,411.20-1,952,116.80-823,114.30

Finding the Fourth Proportional to 1,301,411.20, 1,952,116.80 and 823,114.30

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Solution

The fourth proportional to 1,301,411.20, 1,952,116.80 and 823,114.30 is: 1,234,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,411.20 : 1,952,116.80 = 823,114.30 : x
  2. Step 2: Convert to fraction form
    1,301,411.20/1,952,116.80 = 823,114.30/x
  3. Step 3: Cross multiply
    1,301,411.20x = 1,952,116.80 × 823,114.30
  4. Step 4: Simplify right side
    1,301,411.20x = 1,606,815,253,350.24
  5. Step 5: Solve for x
    x = 1,606,815,253,350.24/1,301,411.20
  6. Step 6: Final answer
    x = 1,234,671.45

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Double scale
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Similar ratio
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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.