Home / 682,928.64-942,442.92-377,005.43

Finding the Fourth Proportional to 682,928.64, 942,442.92 and 377,005.43

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Solution

The fourth proportional to 682,928.64, 942,442.92 and 377,005.43 is: 520,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,928.64 : 942,442.92 = 377,005.43 : x
  2. Step 2: Convert to fraction form
    682,928.64/942,442.92 = 377,005.43/x
  3. Step 3: Cross multiply
    682,928.64x = 942,442.92 × 377,005.43
  4. Step 4: Simplify right side
    682,928.64x = 355,306,095,094.94
  5. Step 5: Solve for x
    x = 355,306,095,094.94/682,928.64
  6. Step 6: Final answer
    x = 520,268.26

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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.