Home / 798,748-1,102,274.16-436,172.56

Finding the Fourth Proportional to 798,748, 1,102,274.16 and 436,172.56

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Solution

The fourth proportional to 798,748, 1,102,274.16 and 436,172.56 is: 601,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,748 : 1,102,274.16 = 436,172.56 : x
  2. Step 2: Convert to fraction form
    798,748/1,102,274.16 = 436,172.56/x
  3. Step 3: Cross multiply
    798,748x = 1,102,274.16 × 436,172.56
  4. Step 4: Simplify right side
    798,748x = 480,781,742,189.05
  5. Step 5: Solve for x
    x = 480,781,742,189.05/798,748
  6. Step 6: Final answer
    x = 601,919.18

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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.