Home / 845,999.64-1,167,459.48-464,023.08

Finding the Fourth Proportional to 845,999.64, 1,167,459.48 and 464,023.08

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Solution

The fourth proportional to 845,999.64, 1,167,459.48 and 464,023.08 is: 640,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,999.64 : 1,167,459.48 = 464,023.08 : x
  2. Step 2: Convert to fraction form
    845,999.64/1,167,459.48 = 464,023.08/x
  3. Step 3: Cross multiply
    845,999.64x = 1,167,459.48 × 464,023.08
  4. Step 4: Simplify right side
    845,999.64x = 541,728,143,684.80
  5. Step 5: Solve for x
    x = 541,728,143,684.80/845,999.64
  6. Step 6: Final answer
    x = 640,340.87

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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.