Home / 1,141,220.72-1,574,865.36-631,912.16

Finding the Fourth Proportional to 1,141,220.72, 1,574,865.36 and 631,912.16

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Solution

The fourth proportional to 1,141,220.72, 1,574,865.36 and 631,912.16 is: 872,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,220.72 : 1,574,865.36 = 631,912.16 : x
  2. Step 2: Convert to fraction form
    1,141,220.72/1,574,865.36 = 631,912.16/x
  3. Step 3: Cross multiply
    1,141,220.72x = 1,574,865.36 × 631,912.16
  4. Step 4: Simplify right side
    1,141,220.72x = 995,176,571,346.78
  5. Step 5: Solve for x
    x = 995,176,571,346.78/1,141,220.72
  6. Step 6: Final answer
    x = 872,028.13

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