Home / 961,176.60-1,326,400.20-531,445.68

Finding the Fourth Proportional to 961,176.60, 1,326,400.20 and 531,445.68

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Solution

The fourth proportional to 961,176.60, 1,326,400.20 and 531,445.68 is: 733,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,176.60 : 1,326,400.20 = 531,445.68 : x
  2. Step 2: Convert to fraction form
    961,176.60/1,326,400.20 = 531,445.68/x
  3. Step 3: Cross multiply
    961,176.60x = 1,326,400.20 × 531,445.68
  4. Step 4: Simplify right side
    961,176.60x = 704,909,656,241.14
  5. Step 5: Solve for x
    x = 704,909,656,241.14/961,176.60
  6. Step 6: Final answer
    x = 733,382.04

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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.