Home / 845,149.92-1,267,266.96-371,280.48

Finding the Fourth Proportional to 845,149.92, 1,267,266.96 and 371,280.48

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Solution

The fourth proportional to 845,149.92, 1,267,266.96 and 371,280.48 is: 556,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,149.92 : 1,267,266.96 = 371,280.48 : x
  2. Step 2: Convert to fraction form
    845,149.92/1,267,266.96 = 371,280.48/x
  3. Step 3: Cross multiply
    845,149.92x = 1,267,266.96 × 371,280.48
  4. Step 4: Simplify right side
    845,149.92x = 470,511,485,196.94
  5. Step 5: Solve for x
    x = 470,511,485,196.94/845,149.92
  6. Step 6: Final answer
    x = 556,719.55

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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.