Home / 1,111,035.40-1,533,224.09-621,004.25

Finding the Fourth Proportional to 1,111,035.40, 1,533,224.09 and 621,004.25

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Solution

The fourth proportional to 1,111,035.40, 1,533,224.09 and 621,004.25 is: 856,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,035.40 : 1,533,224.09 = 621,004.25 : x
  2. Step 2: Convert to fraction form
    1,111,035.40/1,533,224.09 = 621,004.25/x
  3. Step 3: Cross multiply
    1,111,035.40x = 1,533,224.09 × 621,004.25
  4. Step 4: Simplify right side
    1,111,035.40x = 952,138,681,477.95
  5. Step 5: Solve for x
    x = 952,138,681,477.95/1,111,035.40
  6. Step 6: Final answer
    x = 856,983.21

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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.