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Finding the Fourth Proportional to 1,344,458, 1,855,390.96 and 740,884.88

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Solution

The fourth proportional to 1,344,458, 1,855,390.96 and 740,884.88 is: 1,022,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,458 : 1,855,390.96 = 740,884.88 : x
  2. Step 2: Convert to fraction form
    1,344,458/1,855,390.96 = 740,884.88/x
  3. Step 3: Cross multiply
    1,344,458x = 1,855,390.96 × 740,884.88
  4. Step 4: Simplify right side
    1,344,458x = 1,374,631,108,752.68
  5. Step 5: Solve for x
    x = 1,374,631,108,752.68/1,344,458
  6. Step 6: Final answer
    x = 1,022,442.58

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1.5x scale

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.