Home / 1,126,943.43-1,690,433.64-317,347.29

Finding the Fourth Proportional to 1,126,943.43, 1,690,433.64 and 317,347.29

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Solution

The fourth proportional to 1,126,943.43, 1,690,433.64 and 317,347.29 is: 476,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,943.43 : 1,690,433.64 = 317,347.29 : x
  2. Step 2: Convert to fraction form
    1,126,943.43/1,690,433.64 = 317,347.29/x
  3. Step 3: Cross multiply
    1,126,943.43x = 1,690,433.64 × 317,347.29
  4. Step 4: Simplify right side
    1,126,943.43x = 536,454,534,578.84
  5. Step 5: Solve for x
    x = 536,454,534,578.84/1,126,943.43
  6. Step 6: Final answer
    x = 476,026.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.