Home / 855,360.24-1,180,485-492,797.76

Finding the Fourth Proportional to 855,360.24, 1,180,485 and 492,797.76

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Solution

The fourth proportional to 855,360.24, 1,180,485 and 492,797.76 is: 680,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,360.24 : 1,180,485 = 492,797.76 : x
  2. Step 2: Convert to fraction form
    855,360.24/1,180,485 = 492,797.76/x
  3. Step 3: Cross multiply
    855,360.24x = 1,180,485 × 492,797.76
  4. Step 4: Simplify right side
    855,360.24x = 581,740,363,713.60
  5. Step 5: Solve for x
    x = 581,740,363,713.60/855,360.24
  6. Step 6: Final answer
    x = 680,111.53

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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.