Home / 735,322.40-1,101,817.20-485,712.80

Finding the Fourth Proportional to 735,322.40, 1,101,817.20 and 485,712.80

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Solution

The fourth proportional to 735,322.40, 1,101,817.20 and 485,712.80 is: 727,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,322.40 : 1,101,817.20 = 485,712.80 : x
  2. Step 2: Convert to fraction form
    735,322.40/1,101,817.20 = 485,712.80/x
  3. Step 3: Cross multiply
    735,322.40x = 1,101,817.20 × 485,712.80
  4. Step 4: Simplify right side
    735,322.40x = 535,166,717,300.16
  5. Step 5: Solve for x
    x = 535,166,717,300.16/735,322.40
  6. Step 6: Final answer
    x = 727,798.74

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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.