Home / 809,693.92-1,117,386.48-447,117.04

Finding the Fourth Proportional to 809,693.92, 1,117,386.48 and 447,117.04

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Solution

The fourth proportional to 809,693.92, 1,117,386.48 and 447,117.04 is: 617,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,693.92 : 1,117,386.48 = 447,117.04 : x
  2. Step 2: Convert to fraction form
    809,693.92/1,117,386.48 = 447,117.04/x
  3. Step 3: Cross multiply
    809,693.92x = 1,117,386.48 × 447,117.04
  4. Step 4: Simplify right side
    809,693.92x = 499,602,535,473.62
  5. Step 5: Solve for x
    x = 499,602,535,473.62/809,693.92
  6. Step 6: Final answer
    x = 617,026.41

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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.