Home / 1,264,139.03-1,896,226.07-411,215.15

Finding the Fourth Proportional to 1,264,139.03, 1,896,226.07 and 411,215.15

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Solution

The fourth proportional to 1,264,139.03, 1,896,226.07 and 411,215.15 is: 616,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,139.03 : 1,896,226.07 = 411,215.15 : x
  2. Step 2: Convert to fraction form
    1,264,139.03/1,896,226.07 = 411,215.15/x
  3. Step 3: Cross multiply
    1,264,139.03x = 1,896,226.07 × 411,215.15
  4. Step 4: Simplify right side
    1,264,139.03x = 779,756,890,493.45
  5. Step 5: Solve for x
    x = 779,756,890,493.45/1,264,139.03
  6. Step 6: Final answer
    x = 616,828.43

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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.