Home / 940,977.60-1,412,071.20-520,555.20

Finding the Fourth Proportional to 940,977.60, 1,412,071.20 and 520,555.20

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Solution

The fourth proportional to 940,977.60, 1,412,071.20 and 520,555.20 is: 781,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,977.60 : 1,412,071.20 = 520,555.20 : x
  2. Step 2: Convert to fraction form
    940,977.60/1,412,071.20 = 520,555.20/x
  3. Step 3: Cross multiply
    940,977.60x = 1,412,071.20 × 520,555.20
  4. Step 4: Simplify right side
    940,977.60x = 735,061,005,930.24
  5. Step 5: Solve for x
    x = 735,061,005,930.24/940,977.60
  6. Step 6: Final answer
    x = 781,167.38

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1.5x scale

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.