Home / 845,442.06-1,166,705.77-458,255.92

Finding the Fourth Proportional to 845,442.06, 1,166,705.77 and 458,255.92

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Solution

The fourth proportional to 845,442.06, 1,166,705.77 and 458,255.92 is: 632,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,442.06 : 1,166,705.77 = 458,255.92 : x
  2. Step 2: Convert to fraction form
    845,442.06/1,166,705.77 = 458,255.92/x
  3. Step 3: Cross multiply
    845,442.06x = 1,166,705.77 × 458,255.92
  4. Step 4: Simplify right side
    845,442.06x = 534,649,823,709.38
  5. Step 5: Solve for x
    x = 534,649,823,709.38/845,442.06
  6. Step 6: Final answer
    x = 632,390.85

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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.