Home / 1,236,026.92-1,705,555.41-712,756.87

Finding the Fourth Proportional to 1,236,026.92, 1,705,555.41 and 712,756.87

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Solution

The fourth proportional to 1,236,026.92, 1,705,555.41 and 712,756.87 is: 983,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,026.92 : 1,705,555.41 = 712,756.87 : x
  2. Step 2: Convert to fraction form
    1,236,026.92/1,705,555.41 = 712,756.87/x
  3. Step 3: Cross multiply
    1,236,026.92x = 1,705,555.41 × 712,756.87
  4. Step 4: Simplify right side
    1,236,026.92x = 1,215,646,335,643.17
  5. Step 5: Solve for x
    x = 1,215,646,335,643.17/1,236,026.92
  6. Step 6: Final answer
    x = 983,511.21

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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.