Home / 779,213.70-1,169,190.63-539,696.16

Finding the Fourth Proportional to 779,213.70, 1,169,190.63 and 539,696.16

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Solution

The fourth proportional to 779,213.70, 1,169,190.63 and 539,696.16 is: 809,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,213.70 : 1,169,190.63 = 539,696.16 : x
  2. Step 2: Convert to fraction form
    779,213.70/1,169,190.63 = 539,696.16/x
  3. Step 3: Cross multiply
    779,213.70x = 1,169,190.63 × 539,696.16
  4. Step 4: Simplify right side
    779,213.70x = 631,007,693,318.98
  5. Step 5: Solve for x
    x = 631,007,693,318.98/779,213.70
  6. Step 6: Final answer
    x = 809,800.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.