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Finding the Fourth Proportional to 1,184,514, 1,634,668.32 and 647,970

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Solution

The fourth proportional to 1,184,514, 1,634,668.32 and 647,970 is: 894,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,514 : 1,634,668.32 = 647,970 : x
  2. Step 2: Convert to fraction form
    1,184,514/1,634,668.32 = 647,970/x
  3. Step 3: Cross multiply
    1,184,514x = 1,634,668.32 × 647,970
  4. Step 4: Simplify right side
    1,184,514x = 1,059,216,031,310.40
  5. Step 5: Solve for x
    x = 1,059,216,031,310.40/1,184,514
  6. Step 6: Final answer
    x = 894,219.93

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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.