Home / 992,147.10-1,369,269.27-562,380.54

Finding the Fourth Proportional to 992,147.10, 1,369,269.27 and 562,380.54

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Solution

The fourth proportional to 992,147.10, 1,369,269.27 and 562,380.54 is: 776,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,147.10 : 1,369,269.27 = 562,380.54 : x
  2. Step 2: Convert to fraction form
    992,147.10/1,369,269.27 = 562,380.54/x
  3. Step 3: Cross multiply
    992,147.10x = 1,369,269.27 × 562,380.54
  4. Step 4: Simplify right side
    992,147.10x = 770,050,391,468.01
  5. Step 5: Solve for x
    x = 770,050,391,468.01/992,147.10
  6. Step 6: Final answer
    x = 776,145.38

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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.