Home / 1,140,846.78-1,574,387.20-624,592.06

Finding the Fourth Proportional to 1,140,846.78, 1,574,387.20 and 624,592.06

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Solution

The fourth proportional to 1,140,846.78, 1,574,387.20 and 624,592.06 is: 861,947.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,846.78 : 1,574,387.20 = 624,592.06 : x
  2. Step 2: Convert to fraction form
    1,140,846.78/1,574,387.20 = 624,592.06/x
  3. Step 3: Cross multiply
    1,140,846.78x = 1,574,387.20 × 624,592.06
  4. Step 4: Simplify right side
    1,140,846.78x = 983,349,744,485.63
  5. Step 5: Solve for x
    x = 983,349,744,485.63/1,140,846.78
  6. Step 6: Final answer
    x = 861,947.25

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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.