Home / 885,186.60-1,327,779.90-605,250.60

Finding the Fourth Proportional to 885,186.60, 1,327,779.90 and 605,250.60

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Solution

The fourth proportional to 885,186.60, 1,327,779.90 and 605,250.60 is: 907,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,186.60 : 1,327,779.90 = 605,250.60 : x
  2. Step 2: Convert to fraction form
    885,186.60/1,327,779.90 = 605,250.60/x
  3. Step 3: Cross multiply
    885,186.60x = 1,327,779.90 × 605,250.60
  4. Step 4: Simplify right side
    885,186.60x = 803,639,581,142.94
  5. Step 5: Solve for x
    x = 803,639,581,142.94/885,186.60
  6. Step 6: Final answer
    x = 907,875.90

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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.