Home / 961,208.39-1,326,275.55-531,405.38

Finding the Fourth Proportional to 961,208.39, 1,326,275.55 and 531,405.38

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Solution

The fourth proportional to 961,208.39, 1,326,275.55 and 531,405.38 is: 733,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,208.39 : 1,326,275.55 = 531,405.38 : x
  2. Step 2: Convert to fraction form
    961,208.39/1,326,275.55 = 531,405.38/x
  3. Step 3: Cross multiply
    961,208.39x = 1,326,275.55 × 531,405.38
  4. Step 4: Simplify right side
    961,208.39x = 704,789,956,001.08
  5. Step 5: Solve for x
    x = 704,789,956,001.08/961,208.39
  6. Step 6: Final answer
    x = 733,233.26

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1.5x scale

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.