Home / 1,107,603.79-1,528,525.25-624,142.33

Finding the Fourth Proportional to 1,107,603.79, 1,528,525.25 and 624,142.33

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Solution

The fourth proportional to 1,107,603.79, 1,528,525.25 and 624,142.33 is: 861,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,603.79 : 1,528,525.25 = 624,142.33 : x
  2. Step 2: Convert to fraction form
    1,107,603.79/1,528,525.25 = 624,142.33/x
  3. Step 3: Cross multiply
    1,107,603.79x = 1,528,525.25 × 624,142.33
  4. Step 4: Simplify right side
    1,107,603.79x = 954,017,306,397.34
  5. Step 5: Solve for x
    x = 954,017,306,397.34/1,107,603.79
  6. Step 6: Final answer
    x = 861,334.46

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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.