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Finding the Fourth Proportional to 1,184,516, 1,634,671.08 and 647,972

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Solution

The fourth proportional to 1,184,516, 1,634,671.08 and 647,972 is: 894,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,516 : 1,634,671.08 = 647,972 : x
  2. Step 2: Convert to fraction form
    1,184,516/1,634,671.08 = 647,972/x
  3. Step 3: Cross multiply
    1,184,516x = 1,634,671.08 × 647,972
  4. Step 4: Simplify right side
    1,184,516x = 1,059,221,089,049.76
  5. Step 5: Solve for x
    x = 1,059,221,089,049.76/1,184,516
  6. Step 6: Final answer
    x = 894,222.69

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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.