Home / 1,011,719.36-1,514,859.69-770,685.14

Finding the Fourth Proportional to 1,011,719.36, 1,514,859.69 and 770,685.14

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Solution

The fourth proportional to 1,011,719.36, 1,514,859.69 and 770,685.14 is: 1,153,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,719.36 : 1,514,859.69 = 770,685.14 : x
  2. Step 2: Convert to fraction form
    1,011,719.36/1,514,859.69 = 770,685.14/x
  3. Step 3: Cross multiply
    1,011,719.36x = 1,514,859.69 × 770,685.14
  4. Step 4: Simplify right side
    1,011,719.36x = 1,167,479,852,268.01
  5. Step 5: Solve for x
    x = 1,167,479,852,268.01/1,011,719.36
  6. Step 6: Final answer
    x = 1,153,956.22

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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.