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Finding the Fourth Proportional to 1,360,735.88, 1,877,745.47 and 748,946.72

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Solution

The fourth proportional to 1,360,735.88, 1,877,745.47 and 748,946.72 is: 1,033,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,735.88 : 1,877,745.47 = 748,946.72 : x
  2. Step 2: Convert to fraction form
    1,360,735.88/1,877,745.47 = 748,946.72/x
  3. Step 3: Cross multiply
    1,360,735.88x = 1,877,745.47 × 748,946.72
  4. Step 4: Simplify right side
    1,360,735.88x = 1,406,331,310,751.36
  5. Step 5: Solve for x
    x = 1,406,331,310,751.36/1,360,735.88
  6. Step 6: Final answer
    x = 1,033,507.93

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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.