Home / 1,115,513.40-1,539,418.28-606,215.88

Finding the Fourth Proportional to 1,115,513.40, 1,539,418.28 and 606,215.88

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Solution

The fourth proportional to 1,115,513.40, 1,539,418.28 and 606,215.88 is: 836,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,513.40 : 1,539,418.28 = 606,215.88 : x
  2. Step 2: Convert to fraction form
    1,115,513.40/1,539,418.28 = 606,215.88/x
  3. Step 3: Cross multiply
    1,115,513.40x = 1,539,418.28 × 606,215.88
  4. Step 4: Simplify right side
    1,115,513.40x = 933,219,807,298.29
  5. Step 5: Solve for x
    x = 933,219,807,298.29/1,115,513.40
  6. Step 6: Final answer
    x = 836,583.23

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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.