Home / 809,057.72-1,116,526.45-441,554.92

Finding the Fourth Proportional to 809,057.72, 1,116,526.45 and 441,554.92

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Solution

The fourth proportional to 809,057.72, 1,116,526.45 and 441,554.92 is: 609,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,057.72 : 1,116,526.45 = 441,554.92 : x
  2. Step 2: Convert to fraction form
    809,057.72/1,116,526.45 = 441,554.92/x
  3. Step 3: Cross multiply
    809,057.72x = 1,116,526.45 × 441,554.92
  4. Step 4: Simplify right side
    809,057.72x = 493,007,748,622.45
  5. Step 5: Solve for x
    x = 493,007,748,622.45/809,057.72
  6. Step 6: Final answer
    x = 609,360.42

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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.