Home / 913,279.16-1,259,492.42-784,177.13

Finding the Fourth Proportional to 913,279.16, 1,259,492.42 and 784,177.13

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Solution

The fourth proportional to 913,279.16, 1,259,492.42 and 784,177.13 is: 1,081,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,279.16 : 1,259,492.42 = 784,177.13 : x
  2. Step 2: Convert to fraction form
    913,279.16/1,259,492.42 = 784,177.13/x
  3. Step 3: Cross multiply
    913,279.16x = 1,259,492.42 × 784,177.13
  4. Step 4: Simplify right side
    913,279.16x = 987,665,140,954.01
  5. Step 5: Solve for x
    x = 987,665,140,954.01/913,279.16
  6. Step 6: Final answer
    x = 1,081,449.34

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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.