Home / 1,140,821.92-1,574,334.72-624,609.28

Finding the Fourth Proportional to 1,140,821.92, 1,574,334.72 and 624,609.28

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Solution

The fourth proportional to 1,140,821.92, 1,574,334.72 and 624,609.28 is: 861,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,821.92 : 1,574,334.72 = 624,609.28 : x
  2. Step 2: Convert to fraction form
    1,140,821.92/1,574,334.72 = 624,609.28/x
  3. Step 3: Cross multiply
    1,140,821.92x = 1,574,334.72 × 624,609.28
  4. Step 4: Simplify right side
    1,140,821.92x = 983,344,075,938.20
  5. Step 5: Solve for x
    x = 983,344,075,938.20/1,140,821.92
  6. Step 6: Final answer
    x = 861,961.06

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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.