Home / 1,416,268.93-1,954,451.37-771,689.20

Finding the Fourth Proportional to 1,416,268.93, 1,954,451.37 and 771,689.20

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Solution

The fourth proportional to 1,416,268.93, 1,954,451.37 and 771,689.20 is: 1,064,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,268.93 : 1,954,451.37 = 771,689.20 : x
  2. Step 2: Convert to fraction form
    1,416,268.93/1,954,451.37 = 771,689.20/x
  3. Step 3: Cross multiply
    1,416,268.93x = 1,954,451.37 × 771,689.20
  4. Step 4: Simplify right side
    1,416,268.93x = 1,508,229,014,154.20
  5. Step 5: Solve for x
    x = 1,508,229,014,154.20/1,416,268.93
  6. Step 6: Final answer
    x = 1,064,931.23

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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.