Home / 1,142,772.53-1,577,043.81-626,573.57

Finding the Fourth Proportional to 1,142,772.53, 1,577,043.81 and 626,573.57

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Solution

The fourth proportional to 1,142,772.53, 1,577,043.81 and 626,573.57 is: 864,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,772.53 : 1,577,043.81 = 626,573.57 : x
  2. Step 2: Convert to fraction form
    1,142,772.53/1,577,043.81 = 626,573.57/x
  3. Step 3: Cross multiply
    1,142,772.53x = 1,577,043.81 × 626,573.57
  4. Step 4: Simplify right side
    1,142,772.53x = 988,133,970,078.10
  5. Step 5: Solve for x
    x = 988,133,970,078.10/1,142,772.53
  6. Step 6: Final answer
    x = 864,681.24

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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.