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Finding the Fourth Proportional to 1,343,962.32, 1,854,579.96 and 740,350.32

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Solution

The fourth proportional to 1,343,962.32, 1,854,579.96 and 740,350.32 is: 1,021,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,962.32 : 1,854,579.96 = 740,350.32 : x
  2. Step 2: Convert to fraction form
    1,343,962.32/1,854,579.96 = 740,350.32/x
  3. Step 3: Cross multiply
    1,343,962.32x = 1,854,579.96 × 740,350.32
  4. Step 4: Simplify right side
    1,343,962.32x = 1,373,038,866,851.59
  5. Step 5: Solve for x
    x = 1,373,038,866,851.59/1,343,962.32
  6. Step 6: Final answer
    x = 1,021,634.94

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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.