Home / 1,405,847.95-1,940,079.41-761,268.20

Finding the Fourth Proportional to 1,405,847.95, 1,940,079.41 and 761,268.20

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Solution

The fourth proportional to 1,405,847.95, 1,940,079.41 and 761,268.20 is: 1,050,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,847.95 : 1,940,079.41 = 761,268.20 : x
  2. Step 2: Convert to fraction form
    1,405,847.95/1,940,079.41 = 761,268.20/x
  3. Step 3: Cross multiply
    1,405,847.95x = 1,940,079.41 × 761,268.20
  4. Step 4: Simplify right side
    1,405,847.95x = 1,476,920,746,801.02
  5. Step 5: Solve for x
    x = 1,476,920,746,801.02/1,405,847.95
  6. Step 6: Final answer
    x = 1,050,555.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.