Home / 842,817.76-1,163,080.40-460,840.48

Finding the Fourth Proportional to 842,817.76, 1,163,080.40 and 460,840.48

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Solution

The fourth proportional to 842,817.76, 1,163,080.40 and 460,840.48 is: 635,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,817.76 : 1,163,080.40 = 460,840.48 : x
  2. Step 2: Convert to fraction form
    842,817.76/1,163,080.40 = 460,840.48/x
  3. Step 3: Cross multiply
    842,817.76x = 1,163,080.40 × 460,840.48
  4. Step 4: Simplify right side
    842,817.76x = 535,994,529,814.59
  5. Step 5: Solve for x
    x = 535,994,529,814.59/842,817.76
  6. Step 6: Final answer
    x = 635,955.43

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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.