Home / 460,232.96-690,319.04-220,518.32

Finding the Fourth Proportional to 460,232.96, 690,319.04 and 220,518.32

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Solution

The fourth proportional to 460,232.96, 690,319.04 and 220,518.32 is: 330,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,232.96 : 690,319.04 = 220,518.32 : x
  2. Step 2: Convert to fraction form
    460,232.96/690,319.04 = 220,518.32/x
  3. Step 3: Cross multiply
    460,232.96x = 690,319.04 × 220,518.32
  4. Step 4: Simplify right side
    460,232.96x = 152,227,990,410.63
  5. Step 5: Solve for x
    x = 152,227,990,410.63/460,232.96
  6. Step 6: Final answer
    x = 330,762.91

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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.