Home / 1,329,065.27-1,834,119.30-756,105.45

Finding the Fourth Proportional to 1,329,065.27, 1,834,119.30 and 756,105.45

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Solution

The fourth proportional to 1,329,065.27, 1,834,119.30 and 756,105.45 is: 1,043,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,065.27 : 1,834,119.30 = 756,105.45 : x
  2. Step 2: Convert to fraction form
    1,329,065.27/1,834,119.30 = 756,105.45/x
  3. Step 3: Cross multiply
    1,329,065.27x = 1,834,119.30 × 756,105.45
  4. Step 4: Simplify right side
    1,329,065.27x = 1,386,787,594,637.63
  5. Step 5: Solve for x
    x = 1,386,787,594,637.63/1,329,065.27
  6. Step 6: Final answer
    x = 1,043,430.76

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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.