Home / 426,985.92-589,219.38-235,994.40

Finding the Fourth Proportional to 426,985.92, 589,219.38 and 235,994.40

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Solution

The fourth proportional to 426,985.92, 589,219.38 and 235,994.40 is: 325,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,985.92 : 589,219.38 = 235,994.40 : x
  2. Step 2: Convert to fraction form
    426,985.92/589,219.38 = 235,994.40/x
  3. Step 3: Cross multiply
    426,985.92x = 589,219.38 × 235,994.40
  4. Step 4: Simplify right side
    426,985.92x = 139,052,474,051.47
  5. Step 5: Solve for x
    x = 139,052,474,051.47/426,985.92
  6. Step 6: Final answer
    x = 325,660.56

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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.