Home / 1,329,800.12-1,834,877.10-756,806.20

Finding the Fourth Proportional to 1,329,800.12, 1,834,877.10 and 756,806.20

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Solution

The fourth proportional to 1,329,800.12, 1,834,877.10 and 756,806.20 is: 1,044,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,800.12 : 1,834,877.10 = 756,806.20 : x
  2. Step 2: Convert to fraction form
    1,329,800.12/1,834,877.10 = 756,806.20/x
  3. Step 3: Cross multiply
    1,329,800.12x = 1,834,877.10 × 756,806.20
  4. Step 4: Simplify right side
    1,329,800.12x = 1,388,646,365,518.02
  5. Step 5: Solve for x
    x = 1,388,646,365,518.02/1,329,800.12
  6. Step 6: Final answer
    x = 1,044,251.95

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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.