Home / 1,071,813.47-1,605,618.18-621,588.47

Finding the Fourth Proportional to 1,071,813.47, 1,605,618.18 and 621,588.47

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Solution

The fourth proportional to 1,071,813.47, 1,605,618.18 and 621,588.47 is: 931,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,813.47 : 1,605,618.18 = 621,588.47 : x
  2. Step 2: Convert to fraction form
    1,071,813.47/1,605,618.18 = 621,588.47/x
  3. Step 3: Cross multiply
    1,071,813.47x = 1,605,618.18 × 621,588.47
  4. Step 4: Simplify right side
    1,071,813.47x = 998,033,739,882.29
  5. Step 5: Solve for x
    x = 998,033,739,882.29/1,071,813.47
  6. Step 6: Final answer
    x = 931,163.65

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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.