Home / 845,999.50-1,269,331.55-372,352.81

Finding the Fourth Proportional to 845,999.50, 1,269,331.55 and 372,352.81

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Solution

The fourth proportional to 845,999.50, 1,269,331.55 and 372,352.81 is: 558,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,999.50 : 1,269,331.55 = 372,352.81 : x
  2. Step 2: Convert to fraction form
    845,999.50/1,269,331.55 = 372,352.81/x
  3. Step 3: Cross multiply
    845,999.50x = 1,269,331.55 × 372,352.81
  4. Step 4: Simplify right side
    845,999.50x = 472,639,169,464.16
  5. Step 5: Solve for x
    x = 472,639,169,464.16/845,999.50
  6. Step 6: Final answer
    x = 558,675.47

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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.