Home / 846,561.59-1,269,511.60-306,689.71

Finding the Fourth Proportional to 846,561.59, 1,269,511.60 and 306,689.71

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Solution

The fourth proportional to 846,561.59, 1,269,511.60 and 306,689.71 is: 459,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,561.59 : 1,269,511.60 = 306,689.71 : x
  2. Step 2: Convert to fraction form
    846,561.59/1,269,511.60 = 306,689.71/x
  3. Step 3: Cross multiply
    846,561.59x = 1,269,511.60 × 306,689.71
  4. Step 4: Simplify right side
    846,561.59x = 389,346,144,445.64
  5. Step 5: Solve for x
    x = 389,346,144,445.64/846,561.59
  6. Step 6: Final answer
    x = 459,914.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.