Home / 961,630.47-1,326,967.38-531,803.61

Finding the Fourth Proportional to 961,630.47, 1,326,967.38 and 531,803.61

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Solution

The fourth proportional to 961,630.47, 1,326,967.38 and 531,803.61 is: 733,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,630.47 : 1,326,967.38 = 531,803.61 : x
  2. Step 2: Convert to fraction form
    961,630.47/1,326,967.38 = 531,803.61/x
  3. Step 3: Cross multiply
    961,630.47x = 1,326,967.38 × 531,803.61
  4. Step 4: Simplify right side
    961,630.47x = 705,686,043,036.24
  5. Step 5: Solve for x
    x = 705,686,043,036.24/961,630.47
  6. Step 6: Final answer
    x = 733,843.26

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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.