Home / 913,727.96-1,258,128.14-811,575.93

Finding the Fourth Proportional to 913,727.96, 1,258,128.14 and 811,575.93

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Solution

The fourth proportional to 913,727.96, 1,258,128.14 and 811,575.93 is: 1,117,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,727.96 : 1,258,128.14 = 811,575.93 : x
  2. Step 2: Convert to fraction form
    913,727.96/1,258,128.14 = 811,575.93/x
  3. Step 3: Cross multiply
    913,727.96x = 1,258,128.14 × 811,575.93
  4. Step 4: Simplify right side
    913,727.96x = 1,021,066,508,989.03
  5. Step 5: Solve for x
    x = 1,021,066,508,989.03/913,727.96
  6. Step 6: Final answer
    x = 1,117,473.20

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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.