Home / 1,329,043.40-1,834,063.53-756,082.34

Finding the Fourth Proportional to 1,329,043.40, 1,834,063.53 and 756,082.34

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Solution

The fourth proportional to 1,329,043.40, 1,834,063.53 and 756,082.34 is: 1,043,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,043.40 : 1,834,063.53 = 756,082.34 : x
  2. Step 2: Convert to fraction form
    1,329,043.40/1,834,063.53 = 756,082.34/x
  3. Step 3: Cross multiply
    1,329,043.40x = 1,834,063.53 × 756,082.34
  4. Step 4: Simplify right side
    1,329,043.40x = 1,386,703,045,471.06
  5. Step 5: Solve for x
    x = 1,386,703,045,471.06/1,329,043.40
  6. Step 6: Final answer
    x = 1,043,384.32

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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.