Home / 809,264.40-1,116,099.24-486,914.27

Finding the Fourth Proportional to 809,264.40, 1,116,099.24 and 486,914.27

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Solution

The fourth proportional to 809,264.40, 1,116,099.24 and 486,914.27 is: 671,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,264.40 : 1,116,099.24 = 486,914.27 : x
  2. Step 2: Convert to fraction form
    809,264.40/1,116,099.24 = 486,914.27/x
  3. Step 3: Cross multiply
    809,264.40x = 1,116,099.24 × 486,914.27
  4. Step 4: Simplify right side
    809,264.40x = 543,444,641,111.66
  5. Step 5: Solve for x
    x = 543,444,641,111.66/809,264.40
  6. Step 6: Final answer
    x = 671,529.16

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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.