Home / 1,070,415.17-1,605,114.27-621,273.71

Finding the Fourth Proportional to 1,070,415.17, 1,605,114.27 and 621,273.71

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Solution

The fourth proportional to 1,070,415.17, 1,605,114.27 and 621,273.71 is: 931,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,415.17 : 1,605,114.27 = 621,273.71 : x
  2. Step 2: Convert to fraction form
    1,070,415.17/1,605,114.27 = 621,273.71/x
  3. Step 3: Cross multiply
    1,070,415.17x = 1,605,114.27 × 621,273.71
  4. Step 4: Simplify right side
    1,070,415.17x = 997,215,289,471.27
  5. Step 5: Solve for x
    x = 997,215,289,471.27/1,070,415.17
  6. Step 6: Final answer
    x = 931,615.43

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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.