Home / 812,840.22-1,214,316.52-526,195.60

Finding the Fourth Proportional to 812,840.22, 1,214,316.52 and 526,195.60

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Solution

The fourth proportional to 812,840.22, 1,214,316.52 and 526,195.60 is: 786,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,840.22 : 1,214,316.52 = 526,195.60 : x
  2. Step 2: Convert to fraction form
    812,840.22/1,214,316.52 = 526,195.60/x
  3. Step 3: Cross multiply
    812,840.22x = 1,214,316.52 × 526,195.60
  4. Step 4: Simplify right side
    812,840.22x = 638,968,005,480.03
  5. Step 5: Solve for x
    x = 638,968,005,480.03/812,840.22
  6. Step 6: Final answer
    x = 786,093.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.