Home / 908,559.96-1,253,867.63-500,661.11

Finding the Fourth Proportional to 908,559.96, 1,253,867.63 and 500,661.11

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Solution

The fourth proportional to 908,559.96, 1,253,867.63 and 500,661.11 is: 690,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,559.96 : 1,253,867.63 = 500,661.11 : x
  2. Step 2: Convert to fraction form
    908,559.96/1,253,867.63 = 500,661.11/x
  3. Step 3: Cross multiply
    908,559.96x = 1,253,867.63 × 500,661.11
  4. Step 4: Simplify right side
    908,559.96x = 627,762,750,656.23
  5. Step 5: Solve for x
    x = 627,762,750,656.23/908,559.96
  6. Step 6: Final answer
    x = 690,942.57

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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.