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Finding the Fourth Proportional to 1,447,889, 1,998,140.24 and 874,818.44

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Solution

The fourth proportional to 1,447,889, 1,998,140.24 and 874,818.44 is: 1,207,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,889 : 1,998,140.24 = 874,818.44 : x
  2. Step 2: Convert to fraction form
    1,447,889/1,998,140.24 = 874,818.44/x
  3. Step 3: Cross multiply
    1,447,889x = 1,998,140.24 × 874,818.44
  4. Step 4: Simplify right side
    1,447,889x = 1,748,009,927,658.03
  5. Step 5: Solve for x
    x = 1,748,009,927,658.03/1,447,889
  6. Step 6: Final answer
    x = 1,207,281.72

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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.