Home / 806,266.05-1,112,693.12-462,159.28

Finding the Fourth Proportional to 806,266.05, 1,112,693.12 and 462,159.28

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Solution

The fourth proportional to 806,266.05, 1,112,693.12 and 462,159.28 is: 637,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,266.05 : 1,112,693.12 = 462,159.28 : x
  2. Step 2: Convert to fraction form
    806,266.05/1,112,693.12 = 462,159.28/x
  3. Step 3: Cross multiply
    806,266.05x = 1,112,693.12 × 462,159.28
  4. Step 4: Simplify right side
    806,266.05x = 514,241,451,200.15
  5. Step 5: Solve for x
    x = 514,241,451,200.15/806,266.05
  6. Step 6: Final answer
    x = 637,806.16

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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.