Home / 1,415,963.06-1,954,025.60-771,388.55

Finding the Fourth Proportional to 1,415,963.06, 1,954,025.60 and 771,388.55

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Solution

The fourth proportional to 1,415,963.06, 1,954,025.60 and 771,388.55 is: 1,064,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,963.06 : 1,954,025.60 = 771,388.55 : x
  2. Step 2: Convert to fraction form
    1,415,963.06/1,954,025.60 = 771,388.55/x
  3. Step 3: Cross multiply
    1,415,963.06x = 1,954,025.60 × 771,388.55
  4. Step 4: Simplify right side
    1,415,963.06x = 1,507,312,960,619.81
  5. Step 5: Solve for x
    x = 1,507,312,960,619.81/1,415,963.06
  6. Step 6: Final answer
    x = 1,064,514.33

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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.