Home / 819,238.30-1,130,659.52-496,896.37

Finding the Fourth Proportional to 819,238.30, 1,130,659.52 and 496,896.37

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Solution

The fourth proportional to 819,238.30, 1,130,659.52 and 496,896.37 is: 685,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,238.30 : 1,130,659.52 = 496,896.37 : x
  2. Step 2: Convert to fraction form
    819,238.30/1,130,659.52 = 496,896.37/x
  3. Step 3: Cross multiply
    819,238.30x = 1,130,659.52 × 496,896.37
  4. Step 4: Simplify right side
    819,238.30x = 561,820,603,056.16
  5. Step 5: Solve for x
    x = 561,820,603,056.16/819,238.30
  6. Step 6: Final answer
    x = 685,784.11

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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.