Home / 1,181,364.52-1,630,283.04-644,820.52

Finding the Fourth Proportional to 1,181,364.52, 1,630,283.04 and 644,820.52

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Solution

The fourth proportional to 1,181,364.52, 1,630,283.04 and 644,820.52 is: 889,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,364.52 : 1,630,283.04 = 644,820.52 : x
  2. Step 2: Convert to fraction form
    1,181,364.52/1,630,283.04 = 644,820.52/x
  3. Step 3: Cross multiply
    1,181,364.52x = 1,630,283.04 × 644,820.52
  4. Step 4: Simplify right side
    1,181,364.52x = 1,051,239,957,599.98
  5. Step 5: Solve for x
    x = 1,051,239,957,599.98/1,181,364.52
  6. Step 6: Final answer
    x = 889,852.32

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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.