Home / 1,112,726.55-1,535,645.11-622,745.16

Finding the Fourth Proportional to 1,112,726.55, 1,535,645.11 and 622,745.16

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Solution

The fourth proportional to 1,112,726.55, 1,535,645.11 and 622,745.16 is: 859,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,726.55 : 1,535,645.11 = 622,745.16 : x
  2. Step 2: Convert to fraction form
    1,112,726.55/1,535,645.11 = 622,745.16/x
  3. Step 3: Cross multiply
    1,112,726.55x = 1,535,645.11 × 622,745.16
  4. Step 4: Simplify right side
    1,112,726.55x = 956,315,559,730.17
  5. Step 5: Solve for x
    x = 956,315,559,730.17/1,112,726.55
  6. Step 6: Final answer
    x = 859,434.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.