Home / 1,686,617.20-2,529,925.80-1,119,746.80

Finding the Fourth Proportional to 1,686,617.20, 2,529,925.80 and 1,119,746.80

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Solution

The fourth proportional to 1,686,617.20, 2,529,925.80 and 1,119,746.80 is: 1,679,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,617.20 : 2,529,925.80 = 1,119,746.80 : x
  2. Step 2: Convert to fraction form
    1,686,617.20/2,529,925.80 = 1,119,746.80/x
  3. Step 3: Cross multiply
    1,686,617.20x = 2,529,925.80 × 1,119,746.80
  4. Step 4: Simplify right side
    1,686,617.20x = 2,832,876,318,787.44
  5. Step 5: Solve for x
    x = 2,832,876,318,787.44/1,686,617.20
  6. Step 6: Final answer
    x = 1,679,620.20

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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.