Home / 940,485.60-1,411,333.20-520,063.20

Finding the Fourth Proportional to 940,485.60, 1,411,333.20 and 520,063.20

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Solution

The fourth proportional to 940,485.60, 1,411,333.20 and 520,063.20 is: 780,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,485.60 : 1,411,333.20 = 520,063.20 : x
  2. Step 2: Convert to fraction form
    940,485.60/1,411,333.20 = 520,063.20/x
  3. Step 3: Cross multiply
    940,485.60x = 1,411,333.20 × 520,063.20
  4. Step 4: Simplify right side
    940,485.60x = 733,982,460,258.24
  5. Step 5: Solve for x
    x = 733,982,460,258.24/940,485.60
  6. Step 6: Final answer
    x = 780,429.24

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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.