Home / 1,184,365.50-1,634,437.31-640,511.91

Finding the Fourth Proportional to 1,184,365.50, 1,634,437.31 and 640,511.91

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Solution

The fourth proportional to 1,184,365.50, 1,634,437.31 and 640,511.91 is: 883,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,365.50 : 1,634,437.31 = 640,511.91 : x
  2. Step 2: Convert to fraction form
    1,184,365.50/1,634,437.31 = 640,511.91/x
  3. Step 3: Cross multiply
    1,184,365.50x = 1,634,437.31 × 640,511.91
  4. Step 4: Simplify right side
    1,184,365.50x = 1,046,876,560,000.80
  5. Step 5: Solve for x
    x = 1,046,876,560,000.80/1,184,365.50
  6. Step 6: Final answer
    x = 883,913.42

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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.