Home / 809,565.88-1,117,218.33-447,012.67

Finding the Fourth Proportional to 809,565.88, 1,117,218.33 and 447,012.67

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Solution

The fourth proportional to 809,565.88, 1,117,218.33 and 447,012.67 is: 616,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,565.88 : 1,117,218.33 = 447,012.67 : x
  2. Step 2: Convert to fraction form
    809,565.88/1,117,218.33 = 447,012.67/x
  3. Step 3: Cross multiply
    809,565.88x = 1,117,218.33 × 447,012.67
  4. Step 4: Simplify right side
    809,565.88x = 499,410,748,666.24
  5. Step 5: Solve for x
    x = 499,410,748,666.24/809,565.88
  6. Step 6: Final answer
    x = 616,887.10

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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.