Home / 1,013,240.29-1,519,856.56-406,299.95

Finding the Fourth Proportional to 1,013,240.29, 1,519,856.56 and 406,299.95

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Solution

The fourth proportional to 1,013,240.29, 1,519,856.56 and 406,299.95 is: 609,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,240.29 : 1,519,856.56 = 406,299.95 : x
  2. Step 2: Convert to fraction form
    1,013,240.29/1,519,856.56 = 406,299.95/x
  3. Step 3: Cross multiply
    1,013,240.29x = 1,519,856.56 × 406,299.95
  4. Step 4: Simplify right side
    1,013,240.29x = 617,517,642,943.23
  5. Step 5: Solve for x
    x = 617,517,642,943.23/1,013,240.29
  6. Step 6: Final answer
    x = 609,448.37

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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.