Home / 913,345.47-1,259,584.22-784,243.46

Finding the Fourth Proportional to 913,345.47, 1,259,584.22 and 784,243.46

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Solution

The fourth proportional to 913,345.47, 1,259,584.22 and 784,243.46 is: 1,081,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,345.47 : 1,259,584.22 = 784,243.46 : x
  2. Step 2: Convert to fraction form
    913,345.47/1,259,584.22 = 784,243.46/x
  3. Step 3: Cross multiply
    913,345.47x = 1,259,584.22 × 784,243.46
  4. Step 4: Simplify right side
    913,345.47x = 987,820,676,635.06
  5. Step 5: Solve for x
    x = 987,820,676,635.06/913,345.47
  6. Step 6: Final answer
    x = 1,081,541.11

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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.