Home / 809,484.96-1,117,059.84-446,901.12

Finding the Fourth Proportional to 809,484.96, 1,117,059.84 and 446,901.12

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Solution

The fourth proportional to 809,484.96, 1,117,059.84 and 446,901.12 is: 616,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,484.96 : 1,117,059.84 = 446,901.12 : x
  2. Step 2: Convert to fraction form
    809,484.96/1,117,059.84 = 446,901.12/x
  3. Step 3: Cross multiply
    809,484.96x = 1,117,059.84 × 446,901.12
  4. Step 4: Simplify right side
    809,484.96x = 499,215,293,603.02
  5. Step 5: Solve for x
    x = 499,215,293,603.02/809,484.96
  6. Step 6: Final answer
    x = 616,707.31

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Double scale
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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.