Home / 1,070,640.66-1,605,452.67-621,499.26

Finding the Fourth Proportional to 1,070,640.66, 1,605,452.67 and 621,499.26

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Solution

The fourth proportional to 1,070,640.66, 1,605,452.67 and 621,499.26 is: 931,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,640.66 : 1,605,452.67 = 621,499.26 : x
  2. Step 2: Convert to fraction form
    1,070,640.66/1,605,452.67 = 621,499.26/x
  3. Step 3: Cross multiply
    1,070,640.66x = 1,605,452.67 × 621,499.26
  4. Step 4: Simplify right side
    1,070,640.66x = 997,787,646,370.02
  5. Step 5: Solve for x
    x = 997,787,646,370.02/1,070,640.66
  6. Step 6: Final answer
    x = 931,953.81

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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.