Home / 735,457.40-1,103,186.10-261,971.90

Finding the Fourth Proportional to 735,457.40, 1,103,186.10 and 261,971.90

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Solution

The fourth proportional to 735,457.40, 1,103,186.10 and 261,971.90 is: 392,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,457.40 : 1,103,186.10 = 261,971.90 : x
  2. Step 2: Convert to fraction form
    735,457.40/1,103,186.10 = 261,971.90/x
  3. Step 3: Cross multiply
    735,457.40x = 1,103,186.10 × 261,971.90
  4. Step 4: Simplify right side
    735,457.40x = 289,003,758,670.59
  5. Step 5: Solve for x
    x = 289,003,758,670.59/735,457.40
  6. Step 6: Final answer
    x = 392,957.85

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Double scale
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Similar ratio
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1.5x scale

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.