Home / 809,207.28-1,117,083.96-469,609.92

Finding the Fourth Proportional to 809,207.28, 1,117,083.96 and 469,609.92

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Solution

The fourth proportional to 809,207.28, 1,117,083.96 and 469,609.92 is: 648,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,207.28 : 1,117,083.96 = 469,609.92 : x
  2. Step 2: Convert to fraction form
    809,207.28/1,117,083.96 = 469,609.92/x
  3. Step 3: Cross multiply
    809,207.28x = 1,117,083.96 × 469,609.92
  4. Step 4: Simplify right side
    809,207.28x = 524,593,709,088.88
  5. Step 5: Solve for x
    x = 524,593,709,088.88/809,207.28
  6. Step 6: Final answer
    x = 648,281.01

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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.